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Finding the Fourth Proportional to 577,537.60, 866,306.40 and 437,569.60

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Solution

The fourth proportional to 577,537.60, 866,306.40 and 437,569.60 is: 656,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,537.60 : 866,306.40 = 437,569.60 : x
  2. Step 2: Convert to fraction form
    577,537.60/866,306.40 = 437,569.60/x
  3. Step 3: Cross multiply
    577,537.60x = 866,306.40 × 437,569.60
  4. Step 4: Simplify right side
    577,537.60x = 379,069,344,925.44
  5. Step 5: Solve for x
    x = 379,069,344,925.44/577,537.60
  6. Step 6: Final answer
    x = 656,354.40

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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.