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Finding the Fourth Proportional to 359,859.46, 539,757.83 and 146,649.74

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Solution

The fourth proportional to 359,859.46, 539,757.83 and 146,649.74 is: 219,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,859.46 : 539,757.83 = 146,649.74 : x
  2. Step 2: Convert to fraction form
    359,859.46/539,757.83 = 146,649.74/x
  3. Step 3: Cross multiply
    359,859.46x = 539,757.83 × 146,649.74
  4. Step 4: Simplify right side
    359,859.46x = 79,155,345,311.53
  5. Step 5: Solve for x
    x = 79,155,345,311.53/359,859.46
  6. Step 6: Final answer
    x = 219,961.83

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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.