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Finding the Fourth Proportional to 359,625.80, 538,401.90 and 241,430.60

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Solution

The fourth proportional to 359,625.80, 538,401.90 and 241,430.60 is: 361,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,625.80 : 538,401.90 = 241,430.60 : x
  2. Step 2: Convert to fraction form
    359,625.80/538,401.90 = 241,430.60/x
  3. Step 3: Cross multiply
    359,625.80x = 538,401.90 × 241,430.60
  4. Step 4: Simplify right side
    359,625.80x = 129,986,693,758.14
  5. Step 5: Solve for x
    x = 129,986,693,758.14/359,625.80
  6. Step 6: Final answer
    x = 361,449.86

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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.