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Finding the Fourth Proportional to 359,593.48, 539,448.72 and 134,971.56

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Solution

The fourth proportional to 359,593.48, 539,448.72 and 134,971.56 is: 202,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,593.48 : 539,448.72 = 134,971.56 : x
  2. Step 2: Convert to fraction form
    359,593.48/539,448.72 = 134,971.56/x
  3. Step 3: Cross multiply
    359,593.48x = 539,448.72 × 134,971.56
  4. Step 4: Simplify right side
    359,593.48x = 72,810,235,278.40
  5. Step 5: Solve for x
    x = 72,810,235,278.40/359,593.48
  6. Step 6: Final answer
    x = 202,479.30

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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.