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Finding the Fourth Proportional to 359,522.42, 538,863.78 and 270,489.92

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Solution

The fourth proportional to 359,522.42, 538,863.78 and 270,489.92 is: 405,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,522.42 : 538,863.78 = 270,489.92 : x
  2. Step 2: Convert to fraction form
    359,522.42/538,863.78 = 270,489.92/x
  3. Step 3: Cross multiply
    359,522.42x = 538,863.78 × 270,489.92
  4. Step 4: Simplify right side
    359,522.42x = 145,757,220,743.10
  5. Step 5: Solve for x
    x = 145,757,220,743.10/359,522.42
  6. Step 6: Final answer
    x = 405,419.00

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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.