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Finding the Fourth Proportional to 317,126.92, 475,625.84 and 117,399.83

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Solution

The fourth proportional to 317,126.92, 475,625.84 and 117,399.83 is: 176,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,126.92 : 475,625.84 = 117,399.83 : x
  2. Step 2: Convert to fraction form
    317,126.92/475,625.84 = 117,399.83/x
  3. Step 3: Cross multiply
    317,126.92x = 475,625.84 × 117,399.83
  4. Step 4: Simplify right side
    317,126.92x = 55,838,392,634.97
  5. Step 5: Solve for x
    x = 55,838,392,634.97/317,126.92
  6. Step 6: Final answer
    x = 176,075.85

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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.