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Finding the Fourth Proportional to 317,103.97, 437,600.13 and 173,863.66

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Solution

The fourth proportional to 317,103.97, 437,600.13 and 173,863.66 is: 239,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103.97 : 437,600.13 = 173,863.66 : x
  2. Step 2: Convert to fraction form
    317,103.97/437,600.13 = 173,863.66/x
  3. Step 3: Cross multiply
    317,103.97x = 437,600.13 × 173,863.66
  4. Step 4: Simplify right side
    317,103.97x = 76,082,760,218.28
  5. Step 5: Solve for x
    x = 76,082,760,218.28/317,103.97
  6. Step 6: Final answer
    x = 239,930.01

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1.5x scale

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.