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Finding the Fourth Proportional to 359,884.80, 496,972.80 and 240,998.40

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Solution

The fourth proportional to 359,884.80, 496,972.80 and 240,998.40 is: 332,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,884.80 : 496,972.80 = 240,998.40 : x
  2. Step 2: Convert to fraction form
    359,884.80/496,972.80 = 240,998.40/x
  3. Step 3: Cross multiply
    359,884.80x = 496,972.80 × 240,998.40
  4. Step 4: Simplify right side
    359,884.80x = 119,769,649,643.52
  5. Step 5: Solve for x
    x = 119,769,649,643.52/359,884.80
  6. Step 6: Final answer
    x = 332,799.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.