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Finding the Fourth Proportional to 482,732.42, 724,103.96 and 145,775.93

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Solution

The fourth proportional to 482,732.42, 724,103.96 and 145,775.93 is: 218,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,732.42 : 724,103.96 = 145,775.93 : x
  2. Step 2: Convert to fraction form
    482,732.42/724,103.96 = 145,775.93/x
  3. Step 3: Cross multiply
    482,732.42x = 724,103.96 × 145,775.93
  4. Step 4: Simplify right side
    482,732.42x = 105,556,923,836.28
  5. Step 5: Solve for x
    x = 105,556,923,836.28/482,732.42
  6. Step 6: Final answer
    x = 218,665.50

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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.