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Finding the Fourth Proportional to 317,728.38, 476,789.54 and 184,671.30

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Solution

The fourth proportional to 317,728.38, 476,789.54 and 184,671.30 is: 277,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,728.38 : 476,789.54 = 184,671.30 : x
  2. Step 2: Convert to fraction form
    317,728.38/476,789.54 = 184,671.30/x
  3. Step 3: Cross multiply
    317,728.38x = 476,789.54 × 184,671.30
  4. Step 4: Simplify right side
    317,728.38x = 88,049,344,178.20
  5. Step 5: Solve for x
    x = 88,049,344,178.20/317,728.38
  6. Step 6: Final answer
    x = 277,121.43

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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.