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Finding the Fourth Proportional to 463,674.80, 695,512.20 and 131,250.80

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Solution

The fourth proportional to 463,674.80, 695,512.20 and 131,250.80 is: 196,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,674.80 : 695,512.20 = 131,250.80 : x
  2. Step 2: Convert to fraction form
    463,674.80/695,512.20 = 131,250.80/x
  3. Step 3: Cross multiply
    463,674.80x = 695,512.20 × 131,250.80
  4. Step 4: Simplify right side
    463,674.80x = 91,286,532,659.76
  5. Step 5: Solve for x
    x = 91,286,532,659.76/463,674.80
  6. Step 6: Final answer
    x = 196,876.20

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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.