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Finding the Fourth Proportional to 317,286.18, 475,625.88 and 117,552.96

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Solution

The fourth proportional to 317,286.18, 475,625.88 and 117,552.96 is: 176,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,286.18 : 475,625.88 = 117,552.96 : x
  2. Step 2: Convert to fraction form
    317,286.18/475,625.88 = 117,552.96/x
  3. Step 3: Cross multiply
    317,286.18x = 475,625.88 × 117,552.96
  4. Step 4: Simplify right side
    317,286.18x = 55,911,230,046.60
  5. Step 5: Solve for x
    x = 55,911,230,046.60/317,286.18
  6. Step 6: Final answer
    x = 176,217.04

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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.