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Finding the Fourth Proportional to 624,335.20, 934,429.20 and 437,711.20

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Solution

The fourth proportional to 624,335.20, 934,429.20 and 437,711.20 is: 655,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,335.20 : 934,429.20 = 437,711.20 : x
  2. Step 2: Convert to fraction form
    624,335.20/934,429.20 = 437,711.20/x
  3. Step 3: Cross multiply
    624,335.20x = 934,429.20 × 437,711.20
  4. Step 4: Simplify right side
    624,335.20x = 409,010,126,447.04
  5. Step 5: Solve for x
    x = 409,010,126,447.04/624,335.20
  6. Step 6: Final answer
    x = 655,113.03

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