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Finding the Fourth Proportional to 359,578.43, 539,227.27 and 134,816.19

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Solution

The fourth proportional to 359,578.43, 539,227.27 and 134,816.19 is: 202,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,578.43 : 539,227.27 = 134,816.19 : x
  2. Step 2: Convert to fraction form
    359,578.43/539,227.27 = 134,816.19/x
  3. Step 3: Cross multiply
    359,578.43x = 539,227.27 × 134,816.19
  4. Step 4: Simplify right side
    359,578.43x = 72,696,566,085.50
  5. Step 5: Solve for x
    x = 72,696,566,085.50/359,578.43
  6. Step 6: Final answer
    x = 202,171.65

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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.