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Finding the Fourth Proportional to 359,628.60, 539,013.92 and 167,243.34

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Solution

The fourth proportional to 359,628.60, 539,013.92 and 167,243.34 is: 250,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628.60 : 539,013.92 = 167,243.34 : x
  2. Step 2: Convert to fraction form
    359,628.60/539,013.92 = 167,243.34/x
  3. Step 3: Cross multiply
    359,628.60x = 539,013.92 × 167,243.34
  4. Step 4: Simplify right side
    359,628.60x = 90,146,488,287.29
  5. Step 5: Solve for x
    x = 90,146,488,287.29/359,628.60
  6. Step 6: Final answer
    x = 250,665.52

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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.