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Finding the Fourth Proportional to 317,747.36, 476,686.48 and 93,115.12

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Solution

The fourth proportional to 317,747.36, 476,686.48 and 93,115.12 is: 139,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,747.36 : 476,686.48 = 93,115.12 : x
  2. Step 2: Convert to fraction form
    317,747.36/476,686.48 = 93,115.12/x
  3. Step 3: Cross multiply
    317,747.36x = 476,686.48 × 93,115.12
  4. Step 4: Simplify right side
    317,747.36x = 44,386,718,787.58
  5. Step 5: Solve for x
    x = 44,386,718,787.58/317,747.36
  6. Step 6: Final answer
    x = 139,691.86

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1.5x scale

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.