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Finding the Fourth Proportional to 482,551.72, 724,069.02 and 216,502.36

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Solution

The fourth proportional to 482,551.72, 724,069.02 and 216,502.36 is: 324,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,551.72 : 724,069.02 = 216,502.36 : x
  2. Step 2: Convert to fraction form
    482,551.72/724,069.02 = 216,502.36/x
  3. Step 3: Cross multiply
    482,551.72x = 724,069.02 × 216,502.36
  4. Step 4: Simplify right side
    482,551.72x = 156,762,651,632.89
  5. Step 5: Solve for x
    x = 156,762,651,632.89/482,551.72
  6. Step 6: Final answer
    x = 324,861.86

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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.