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Finding the Fourth Proportional to 359,939.39, 539,974.70 and 180,118.85

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Solution

The fourth proportional to 359,939.39, 539,974.70 and 180,118.85 is: 270,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,939.39 : 539,974.70 = 180,118.85 : x
  2. Step 2: Convert to fraction form
    359,939.39/539,974.70 = 180,118.85/x
  3. Step 3: Cross multiply
    359,939.39x = 539,974.70 × 180,118.85
  4. Step 4: Simplify right side
    359,939.39x = 97,259,623,793.33
  5. Step 5: Solve for x
    x = 97,259,623,793.33/359,939.39
  6. Step 6: Final answer
    x = 270,211.11

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1.5x scale

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.