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Finding the Fourth Proportional to 606,546.20, 837,033.74 and 338,274.20

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Solution

The fourth proportional to 606,546.20, 837,033.74 and 338,274.20 is: 466,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,546.20 : 837,033.74 = 338,274.20 : x
  2. Step 2: Convert to fraction form
    606,546.20/837,033.74 = 338,274.20/x
  3. Step 3: Cross multiply
    606,546.20x = 837,033.74 × 338,274.20
  4. Step 4: Simplify right side
    606,546.20x = 283,146,912,894.97
  5. Step 5: Solve for x
    x = 283,146,912,894.97/606,546.20
  6. Step 6: Final answer
    x = 466,818.38

Related Problems

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Half scale
Find fourth proportional to 1,213,092.39, 1,674,067.47 and 676,548.39
Double scale
Find fourth proportional to 606,547.20, 837,035.11 and 338,275.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.