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Finding the Fourth Proportional to 624,337.20, 934,432.20 and 437,713.20

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Solution

The fourth proportional to 624,337.20, 934,432.20 and 437,713.20 is: 655,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,337.20 : 934,432.20 = 437,713.20 : x
  2. Step 2: Convert to fraction form
    624,337.20/934,432.20 = 437,713.20/x
  3. Step 3: Cross multiply
    624,337.20x = 934,432.20 × 437,713.20
  4. Step 4: Simplify right side
    624,337.20x = 409,013,308,445.04
  5. Step 5: Solve for x
    x = 409,013,308,445.04/624,337.20
  6. Step 6: Final answer
    x = 655,116.03

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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.