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Finding the Fourth Proportional to 488,302.10, 732,453.15 and 454,087.70

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Solution

The fourth proportional to 488,302.10, 732,453.15 and 454,087.70 is: 681,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,302.10 : 732,453.15 = 454,087.70 : x
  2. Step 2: Convert to fraction form
    488,302.10/732,453.15 = 454,087.70/x
  3. Step 3: Cross multiply
    488,302.10x = 732,453.15 × 454,087.70
  4. Step 4: Simplify right side
    488,302.10x = 332,597,966,241.26
  5. Step 5: Solve for x
    x = 332,597,966,241.26/488,302.10
  6. Step 6: Final answer
    x = 681,131.55

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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.