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Finding the Fourth Proportional to 359,179.56, 495,671.22 and 198,040.44

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Solution

The fourth proportional to 359,179.56, 495,671.22 and 198,040.44 is: 273,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,179.56 : 495,671.22 = 198,040.44 : x
  2. Step 2: Convert to fraction form
    359,179.56/495,671.22 = 198,040.44/x
  3. Step 3: Cross multiply
    359,179.56x = 495,671.22 × 198,040.44
  4. Step 4: Simplify right side
    359,179.56x = 98,162,946,504.14
  5. Step 5: Solve for x
    x = 98,162,946,504.14/359,179.56
  6. Step 6: Final answer
    x = 273,297.70

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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.