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Finding the Fourth Proportional to 359,544.76, 539,523.20 and 146,273.31

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Solution

The fourth proportional to 359,544.76, 539,523.20 and 146,273.31 is: 219,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,544.76 : 539,523.20 = 146,273.31 : x
  2. Step 2: Convert to fraction form
    359,544.76/539,523.20 = 146,273.31/x
  3. Step 3: Cross multiply
    359,544.76x = 539,523.20 × 146,273.31
  4. Step 4: Simplify right side
    359,544.76x = 78,917,844,285.79
  5. Step 5: Solve for x
    x = 78,917,844,285.79/359,544.76
  6. Step 6: Final answer
    x = 219,493.80

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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.