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Finding the Fourth Proportional to 504,077.10, 756,115.65 and 448,964.70

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Solution

The fourth proportional to 504,077.10, 756,115.65 and 448,964.70 is: 673,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,077.10 : 756,115.65 = 448,964.70 : x
  2. Step 2: Convert to fraction form
    504,077.10/756,115.65 = 448,964.70/x
  3. Step 3: Cross multiply
    504,077.10x = 756,115.65 × 448,964.70
  4. Step 4: Simplify right side
    504,077.10x = 339,469,235,967.56
  5. Step 5: Solve for x
    x = 339,469,235,967.56/504,077.10
  6. Step 6: Final answer
    x = 673,447.05

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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.