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Finding the Fourth Proportional to 541,859.92, 812,493.60 and 430,257.04

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Solution

The fourth proportional to 541,859.92, 812,493.60 and 430,257.04 is: 645,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,859.92 : 812,493.60 = 430,257.04 : x
  2. Step 2: Convert to fraction form
    541,859.92/812,493.60 = 430,257.04/x
  3. Step 3: Cross multiply
    541,859.92x = 812,493.60 × 430,257.04
  4. Step 4: Simplify right side
    541,859.92x = 349,581,091,354.94
  5. Step 5: Solve for x
    x = 349,581,091,354.94/541,859.92
  6. Step 6: Final answer
    x = 645,150.30

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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.