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Finding the Fourth Proportional to 359,244.72, 495,769.69 and 195,910.16

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Solution

The fourth proportional to 359,244.72, 495,769.69 and 195,910.16 is: 270,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,244.72 : 495,769.69 = 195,910.16 : x
  2. Step 2: Convert to fraction form
    359,244.72/495,769.69 = 195,910.16/x
  3. Step 3: Cross multiply
    359,244.72x = 495,769.69 × 195,910.16
  4. Step 4: Simplify right side
    359,244.72x = 97,126,320,138.15
  5. Step 5: Solve for x
    x = 97,126,320,138.15/359,244.72
  6. Step 6: Final answer
    x = 270,362.55

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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.