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Finding the Fourth Proportional to 317,363.58, 475,741.71 and 117,630.27

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Solution

The fourth proportional to 317,363.58, 475,741.71 and 117,630.27 is: 176,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,363.58 : 475,741.71 = 117,630.27 : x
  2. Step 2: Convert to fraction form
    317,363.58/475,741.71 = 117,630.27/x
  3. Step 3: Cross multiply
    317,363.58x = 475,741.71 × 117,630.27
  4. Step 4: Simplify right side
    317,363.58x = 55,961,625,797.56
  5. Step 5: Solve for x
    x = 55,961,625,797.56/317,363.58
  6. Step 6: Final answer
    x = 176,332.85

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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.