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Finding the Fourth Proportional to 359,163.44, 495,644.88 and 198,017.36

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Solution

The fourth proportional to 359,163.44, 495,644.88 and 198,017.36 is: 273,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,163.44 : 495,644.88 = 198,017.36 : x
  2. Step 2: Convert to fraction form
    359,163.44/495,644.88 = 198,017.36/x
  3. Step 3: Cross multiply
    359,163.44x = 495,644.88 × 198,017.36
  4. Step 4: Simplify right side
    359,163.44x = 98,146,290,635.12
  5. Step 5: Solve for x
    x = 98,146,290,635.12/359,163.44
  6. Step 6: Final answer
    x = 273,263.59

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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.