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Finding the Fourth Proportional to 650,983.70, 976,475.55 and 177,716.90

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Solution

The fourth proportional to 650,983.70, 976,475.55 and 177,716.90 is: 266,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,983.70 : 976,475.55 = 177,716.90 : x
  2. Step 2: Convert to fraction form
    650,983.70/976,475.55 = 177,716.90/x
  3. Step 3: Cross multiply
    650,983.70x = 976,475.55 × 177,716.90
  4. Step 4: Simplify right side
    650,983.70x = 173,536,207,671.80
  5. Step 5: Solve for x
    x = 173,536,207,671.80/650,983.70
  6. Step 6: Final answer
    x = 266,575.35

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Similar ratio
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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.