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Finding the Fourth Proportional to 463,011.80, 694,517.70 and 458,096.60

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Solution

The fourth proportional to 463,011.80, 694,517.70 and 458,096.60 is: 687,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,011.80 : 694,517.70 = 458,096.60 : x
  2. Step 2: Convert to fraction form
    463,011.80/694,517.70 = 458,096.60/x
  3. Step 3: Cross multiply
    463,011.80x = 694,517.70 × 458,096.60
  4. Step 4: Simplify right side
    463,011.80x = 318,156,197,009.82
  5. Step 5: Solve for x
    x = 318,156,197,009.82/463,011.80
  6. Step 6: Final answer
    x = 687,144.90

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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.