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Finding the Fourth Proportional to 359,544.73, 539,523.15 and 146,273.28

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Solution

The fourth proportional to 359,544.73, 539,523.15 and 146,273.28 is: 219,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,544.73 : 539,523.15 = 146,273.28 : x
  2. Step 2: Convert to fraction form
    359,544.73/539,523.15 = 146,273.28/x
  3. Step 3: Cross multiply
    359,544.73x = 539,523.15 × 146,273.28
  4. Step 4: Simplify right side
    359,544.73x = 78,917,818,088.82
  5. Step 5: Solve for x
    x = 78,917,818,088.82/359,544.73
  6. Step 6: Final answer
    x = 219,493.74

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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.