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Finding the Fourth Proportional to 448,098.10, 672,147.15 and 444,987.70

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Solution

The fourth proportional to 448,098.10, 672,147.15 and 444,987.70 is: 667,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,098.10 : 672,147.15 = 444,987.70 : x
  2. Step 2: Convert to fraction form
    448,098.10/672,147.15 = 444,987.70/x
  3. Step 3: Cross multiply
    448,098.10x = 672,147.15 × 444,987.70
  4. Step 4: Simplify right side
    448,098.10x = 299,097,214,340.06
  5. Step 5: Solve for x
    x = 299,097,214,340.06/448,098.10
  6. Step 6: Final answer
    x = 667,481.55

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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.