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Finding the Fourth Proportional to 359,695.22, 539,491.67 and 146,556.14

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Solution

The fourth proportional to 359,695.22, 539,491.67 and 146,556.14 is: 219,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,695.22 : 539,491.67 = 146,556.14 : x
  2. Step 2: Convert to fraction form
    359,695.22/539,491.67 = 146,556.14/x
  3. Step 3: Cross multiply
    359,695.22x = 539,491.67 × 146,556.14
  4. Step 4: Simplify right side
    359,695.22x = 79,065,815,984.57
  5. Step 5: Solve for x
    x = 79,065,815,984.57/359,695.22
  6. Step 6: Final answer
    x = 219,813.36

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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.