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Finding the Fourth Proportional to 514,744.20, 773,002.04 and 492,600.83

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Solution

The fourth proportional to 514,744.20, 773,002.04 and 492,600.83 is: 739,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,744.20 : 773,002.04 = 492,600.83 : x
  2. Step 2: Convert to fraction form
    514,744.20/773,002.04 = 492,600.83/x
  3. Step 3: Cross multiply
    514,744.20x = 773,002.04 × 492,600.83
  4. Step 4: Simplify right side
    514,744.20x = 380,781,440,167.68
  5. Step 5: Solve for x
    x = 380,781,440,167.68/514,744.20
  6. Step 6: Final answer
    x = 739,748.87

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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.