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Finding the Fourth Proportional to 448,488.48, 672,996.24 and 413,850.72

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Solution

The fourth proportional to 448,488.48, 672,996.24 and 413,850.72 is: 621,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,488.48 : 672,996.24 = 413,850.72 : x
  2. Step 2: Convert to fraction form
    448,488.48/672,996.24 = 413,850.72/x
  3. Step 3: Cross multiply
    448,488.48x = 672,996.24 × 413,850.72
  4. Step 4: Simplify right side
    448,488.48x = 278,519,978,481.29
  5. Step 5: Solve for x
    x = 278,519,978,481.29/448,488.48
  6. Step 6: Final answer
    x = 621,019.25

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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.