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Finding the Fourth Proportional to 359,544.63, 539,523.01 and 146,273.18

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Solution

The fourth proportional to 359,544.63, 539,523.01 and 146,273.18 is: 219,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,544.63 : 539,523.01 = 146,273.18 : x
  2. Step 2: Convert to fraction form
    359,544.63/539,523.01 = 146,273.18/x
  3. Step 3: Cross multiply
    359,544.63x = 539,523.01 × 146,273.18
  4. Step 4: Simplify right side
    359,544.63x = 78,917,747,887.52
  5. Step 5: Solve for x
    x = 78,917,747,887.52/359,544.63
  6. Step 6: Final answer
    x = 219,493.61

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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.