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Finding the Fourth Proportional to 482,766.88, 724,199.64 and 167,223.20

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Solution

The fourth proportional to 482,766.88, 724,199.64 and 167,223.20 is: 250,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,766.88 : 724,199.64 = 167,223.20 : x
  2. Step 2: Convert to fraction form
    482,766.88/724,199.64 = 167,223.20/x
  3. Step 3: Cross multiply
    482,766.88x = 724,199.64 × 167,223.20
  4. Step 4: Simplify right side
    482,766.88x = 121,102,981,239.65
  5. Step 5: Solve for x
    x = 121,102,981,239.65/482,766.88
  6. Step 6: Final answer
    x = 250,851.88

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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.