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Finding the Fourth Proportional to 359,410.60, 538,532.70 and 226,052.20

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Solution

The fourth proportional to 359,410.60, 538,532.70 and 226,052.20 is: 338,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,410.60 : 538,532.70 = 226,052.20 : x
  2. Step 2: Convert to fraction form
    359,410.60/538,532.70 = 226,052.20/x
  3. Step 3: Cross multiply
    359,410.60x = 538,532.70 × 226,052.20
  4. Step 4: Simplify right side
    359,410.60x = 121,736,501,606.94
  5. Step 5: Solve for x
    x = 121,736,501,606.94/359,410.60
  6. Step 6: Final answer
    x = 338,711.49

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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.