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Finding the Fourth Proportional to 615,772.80, 924,350.40 and 476,150.40

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Solution

The fourth proportional to 615,772.80, 924,350.40 and 476,150.40 is: 714,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,772.80 : 924,350.40 = 476,150.40 : x
  2. Step 2: Convert to fraction form
    615,772.80/924,350.40 = 476,150.40/x
  3. Step 3: Cross multiply
    615,772.80x = 924,350.40 × 476,150.40
  4. Step 4: Simplify right side
    615,772.80x = 440,129,812,700.16
  5. Step 5: Solve for x
    x = 440,129,812,700.16/615,772.80
  6. Step 6: Final answer
    x = 714,760.07

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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.