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Finding the Fourth Proportional to 317,444.85, 476,167.28 and 247,376.61

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Solution

The fourth proportional to 317,444.85, 476,167.28 and 247,376.61 is: 371,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,444.85 : 476,167.28 = 247,376.61 : x
  2. Step 2: Convert to fraction form
    317,444.85/476,167.28 = 247,376.61/x
  3. Step 3: Cross multiply
    317,444.85x = 476,167.28 × 247,376.61
  4. Step 4: Simplify right side
    317,444.85x = 117,792,646,282.44
  5. Step 5: Solve for x
    x = 117,792,646,282.44/317,444.85
  6. Step 6: Final answer
    x = 371,064.92

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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.