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Finding the Fourth Proportional to 359,115.60, 495,581.03 and 197,967.11

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Solution

The fourth proportional to 359,115.60, 495,581.03 and 197,967.11 is: 273,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,115.60 : 495,581.03 = 197,967.11 : x
  2. Step 2: Convert to fraction form
    359,115.60/495,581.03 = 197,967.11/x
  3. Step 3: Cross multiply
    359,115.60x = 495,581.03 × 197,967.11
  4. Step 4: Simplify right side
    359,115.60x = 98,108,744,279.92
  5. Step 5: Solve for x
    x = 98,108,744,279.92/359,115.60
  6. Step 6: Final answer
    x = 273,195.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.