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Finding the Fourth Proportional to 359,700.97, 539,500.29 and 146,561.89

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Solution

The fourth proportional to 359,700.97, 539,500.29 and 146,561.89 is: 219,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,700.97 : 539,500.29 = 146,561.89 : x
  2. Step 2: Convert to fraction form
    359,700.97/539,500.29 = 146,561.89/x
  3. Step 3: Cross multiply
    359,700.97x = 539,500.29 × 146,561.89
  4. Step 4: Simplify right side
    359,700.97x = 79,070,182,157.95
  5. Step 5: Solve for x
    x = 79,070,182,157.95/359,700.97
  6. Step 6: Final answer
    x = 219,821.99

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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.