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Finding the Fourth Proportional to 504,092.10, 756,138.15 and 448,979.70

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Solution

The fourth proportional to 504,092.10, 756,138.15 and 448,979.70 is: 673,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,092.10 : 756,138.15 = 448,979.70 : x
  2. Step 2: Convert to fraction form
    504,092.10/756,138.15 = 448,979.70/x
  3. Step 3: Cross multiply
    504,092.10x = 756,138.15 × 448,979.70
  4. Step 4: Simplify right side
    504,092.10x = 339,490,679,745.56
  5. Step 5: Solve for x
    x = 339,490,679,745.56/504,092.10
  6. Step 6: Final answer
    x = 673,469.55

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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.