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Finding the Fourth Proportional to 463,253.59, 694,886.15 and 126,310.87

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Solution

The fourth proportional to 463,253.59, 694,886.15 and 126,310.87 is: 189,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,253.59 : 694,886.15 = 126,310.87 : x
  2. Step 2: Convert to fraction form
    463,253.59/694,886.15 = 126,310.87/x
  3. Step 3: Cross multiply
    463,253.59x = 694,886.15 × 126,310.87
  4. Step 4: Simplify right side
    463,253.59x = 87,771,674,157.45
  5. Step 5: Solve for x
    x = 87,771,674,157.45/463,253.59
  6. Step 6: Final answer
    x = 189,467.88

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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.