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Finding the Fourth Proportional to 359,150.44, 495,657.14 and 198,020.79

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Solution

The fourth proportional to 359,150.44, 495,657.14 and 198,020.79 is: 273,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,150.44 : 495,657.14 = 198,020.79 : x
  2. Step 2: Convert to fraction form
    359,150.44/495,657.14 = 198,020.79/x
  3. Step 3: Cross multiply
    359,150.44x = 495,657.14 × 198,020.79
  4. Step 4: Simplify right side
    359,150.44x = 98,150,418,431.94
  5. Step 5: Solve for x
    x = 98,150,418,431.94/359,150.44
  6. Step 6: Final answer
    x = 273,284.97

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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.