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Finding the Fourth Proportional to 607,026.80, 910,540.20 and 292,098.80

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Solution

The fourth proportional to 607,026.80, 910,540.20 and 292,098.80 is: 438,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,026.80 : 910,540.20 = 292,098.80 : x
  2. Step 2: Convert to fraction form
    607,026.80/910,540.20 = 292,098.80/x
  3. Step 3: Cross multiply
    607,026.80x = 910,540.20 × 292,098.80
  4. Step 4: Simplify right side
    607,026.80x = 265,967,699,771.76
  5. Step 5: Solve for x
    x = 265,967,699,771.76/607,026.80
  6. Step 6: Final answer
    x = 438,148.20

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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.