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Finding the Fourth Proportional to 359,957.60, 540,001.20 and 149,616.80

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Solution

The fourth proportional to 359,957.60, 540,001.20 and 149,616.80 is: 224,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,957.60 : 540,001.20 = 149,616.80 : x
  2. Step 2: Convert to fraction form
    359,957.60/540,001.20 = 149,616.80/x
  3. Step 3: Cross multiply
    359,957.60x = 540,001.20 × 149,616.80
  4. Step 4: Simplify right side
    359,957.60x = 80,793,251,540.16
  5. Step 5: Solve for x
    x = 80,793,251,540.16/359,957.60
  6. Step 6: Final answer
    x = 224,452.13

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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.