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Finding the Fourth Proportional to 447,505.83, 617,450.28 and 263,751.73

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Solution

The fourth proportional to 447,505.83, 617,450.28 and 263,751.73 is: 363,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,505.83 : 617,450.28 = 263,751.73 : x
  2. Step 2: Convert to fraction form
    447,505.83/617,450.28 = 263,751.73/x
  3. Step 3: Cross multiply
    447,505.83x = 617,450.28 × 263,751.73
  4. Step 4: Simplify right side
    447,505.83x = 162,853,577,006.29
  5. Step 5: Solve for x
    x = 162,853,577,006.29/447,505.83
  6. Step 6: Final answer
    x = 363,913.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.