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Finding the Fourth Proportional to 606,479.10, 909,718.65 and 185,700.30

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Solution

The fourth proportional to 606,479.10, 909,718.65 and 185,700.30 is: 278,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,479.10 : 909,718.65 = 185,700.30 : x
  2. Step 2: Convert to fraction form
    606,479.10/909,718.65 = 185,700.30/x
  3. Step 3: Cross multiply
    606,479.10x = 909,718.65 × 185,700.30
  4. Step 4: Simplify right side
    606,479.10x = 168,935,026,220.60
  5. Step 5: Solve for x
    x = 168,935,026,220.60/606,479.10
  6. Step 6: Final answer
    x = 278,550.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.