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Finding the Fourth Proportional to 482,127.57, 723,023.67 and 197,737.38

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Solution

The fourth proportional to 482,127.57, 723,023.67 and 197,737.38 is: 296,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,127.57 : 723,023.67 = 197,737.38 : x
  2. Step 2: Convert to fraction form
    482,127.57/723,023.67 = 197,737.38/x
  3. Step 3: Cross multiply
    482,127.57x = 723,023.67 × 197,737.38
  4. Step 4: Simplify right side
    482,127.57x = 142,968,806,183.79
  5. Step 5: Solve for x
    x = 142,968,806,183.79/482,127.57
  6. Step 6: Final answer
    x = 296,537.30

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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.