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Finding the Fourth Proportional to 359,351.44, 495,902.96 and 198,206.10

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Solution

The fourth proportional to 359,351.44, 495,902.96 and 198,206.10 is: 273,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,351.44 : 495,902.96 = 198,206.10 : x
  2. Step 2: Convert to fraction form
    359,351.44/495,902.96 = 198,206.10/x
  3. Step 3: Cross multiply
    359,351.44x = 495,902.96 × 198,206.10
  4. Step 4: Simplify right side
    359,351.44x = 98,290,991,680.06
  5. Step 5: Solve for x
    x = 98,290,991,680.06/359,351.44
  6. Step 6: Final answer
    x = 273,523.30

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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.