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Finding the Fourth Proportional to 359,536.50, 539,510.80 and 146,265.04

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Solution

The fourth proportional to 359,536.50, 539,510.80 and 146,265.04 is: 219,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,536.50 : 539,510.80 = 146,265.04 : x
  2. Step 2: Convert to fraction form
    359,536.50/539,510.80 = 146,265.04/x
  3. Step 3: Cross multiply
    359,536.50x = 539,510.80 × 146,265.04
  4. Step 4: Simplify right side
    359,536.50x = 78,911,569,736.78
  5. Step 5: Solve for x
    x = 78,911,569,736.78/359,536.50
  6. Step 6: Final answer
    x = 219,481.39

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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.