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Finding the Fourth Proportional to 359,217.45, 495,694.71 and 198,069.08

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Solution

The fourth proportional to 359,217.45, 495,694.71 and 198,069.08 is: 273,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,217.45 : 495,694.71 = 198,069.08 : x
  2. Step 2: Convert to fraction form
    359,217.45/495,694.71 = 198,069.08/x
  3. Step 3: Cross multiply
    359,217.45x = 495,694.71 × 198,069.08
  4. Step 4: Simplify right side
    359,217.45x = 98,181,792,692.09
  5. Step 5: Solve for x
    x = 98,181,792,692.09/359,217.45
  6. Step 6: Final answer
    x = 273,321.33

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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.