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Finding the Fourth Proportional to 359,294.36, 495,815.56 and 198,149.36

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Solution

The fourth proportional to 359,294.36, 495,815.56 and 198,149.36 is: 273,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,294.36 : 495,815.56 = 198,149.36 : x
  2. Step 2: Convert to fraction form
    359,294.36/495,815.56 = 198,149.36/x
  3. Step 3: Cross multiply
    359,294.36x = 495,815.56 × 198,149.36
  4. Step 4: Simplify right side
    359,294.36x = 98,245,535,892.04
  5. Step 5: Solve for x
    x = 98,245,535,892.04/359,294.36
  6. Step 6: Final answer
    x = 273,440.24

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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.