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Finding the Fourth Proportional to 448,789.06, 672,711.02 and 149,189.23

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Solution

The fourth proportional to 448,789.06, 672,711.02 and 149,189.23 is: 223,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,789.06 : 672,711.02 = 149,189.23 : x
  2. Step 2: Convert to fraction form
    448,789.06/672,711.02 = 149,189.23/x
  3. Step 3: Cross multiply
    448,789.06x = 672,711.02 × 149,189.23
  4. Step 4: Simplify right side
    448,789.06x = 100,361,240,579.91
  5. Step 5: Solve for x
    x = 100,361,240,579.91/448,789.06
  6. Step 6: Final answer
    x = 223,626.75

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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.