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Finding the Fourth Proportional to 359,707.20, 539,998.20 and 182,122.80

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Solution

The fourth proportional to 359,707.20, 539,998.20 and 182,122.80 is: 273,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,707.20 : 539,998.20 = 182,122.80 : x
  2. Step 2: Convert to fraction form
    359,707.20/539,998.20 = 182,122.80/x
  3. Step 3: Cross multiply
    359,707.20x = 539,998.20 × 182,122.80
  4. Step 4: Simplify right side
    359,707.20x = 98,345,984,178.96
  5. Step 5: Solve for x
    x = 98,345,984,178.96/359,707.20
  6. Step 6: Final answer
    x = 273,405.66

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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.