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Finding the Fourth Proportional to 482,549.39, 724,193.58 and 347,548.61

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Solution

The fourth proportional to 482,549.39, 724,193.58 and 347,548.61 is: 521,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,549.39 : 724,193.58 = 347,548.61 : x
  2. Step 2: Convert to fraction form
    482,549.39/724,193.58 = 347,548.61/x
  3. Step 3: Cross multiply
    482,549.39x = 724,193.58 × 347,548.61
  4. Step 4: Simplify right side
    482,549.39x = 251,692,468,478.96
  5. Step 5: Solve for x
    x = 251,692,468,478.96/482,549.39
  6. Step 6: Final answer
    x = 521,589.04

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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.