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Finding the Fourth Proportional to 359,818.60, 539,792.70 and 149,477.80

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Solution

The fourth proportional to 359,818.60, 539,792.70 and 149,477.80 is: 224,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,818.60 : 539,792.70 = 149,477.80 : x
  2. Step 2: Convert to fraction form
    359,818.60/539,792.70 = 149,477.80/x
  3. Step 3: Cross multiply
    359,818.60x = 539,792.70 × 149,477.80
  4. Step 4: Simplify right side
    359,818.60x = 80,687,025,252.06
  5. Step 5: Solve for x
    x = 80,687,025,252.06/359,818.60
  6. Step 6: Final answer
    x = 224,243.62

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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.