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Finding the Fourth Proportional to 482,542.80, 723,989.70 and 167,031.60

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Solution

The fourth proportional to 482,542.80, 723,989.70 and 167,031.60 is: 250,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,542.80 : 723,989.70 = 167,031.60 : x
  2. Step 2: Convert to fraction form
    482,542.80/723,989.70 = 167,031.60/x
  3. Step 3: Cross multiply
    482,542.80x = 723,989.70 × 167,031.60
  4. Step 4: Simplify right side
    482,542.80x = 120,929,157,974.52
  5. Step 5: Solve for x
    x = 120,929,157,974.52/482,542.80
  6. Step 6: Final answer
    x = 250,608.15

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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.