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Finding the Fourth Proportional to 329,951.36, 495,114.29 and 178,146.42

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Solution

The fourth proportional to 329,951.36, 495,114.29 and 178,146.42 is: 267,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,951.36 : 495,114.29 = 178,146.42 : x
  2. Step 2: Convert to fraction form
    329,951.36/495,114.29 = 178,146.42/x
  3. Step 3: Cross multiply
    329,951.36x = 495,114.29 × 178,146.42
  4. Step 4: Simplify right side
    329,951.36x = 88,202,837,363.61
  5. Step 5: Solve for x
    x = 88,202,837,363.61/329,951.36
  6. Step 6: Final answer
    x = 267,320.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.