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Finding the Fourth Proportional to 448,676.88, 672,869.76 and 149,077.02

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Solution

The fourth proportional to 448,676.88, 672,869.76 and 149,077.02 is: 223,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,676.88 : 672,869.76 = 149,077.02 : x
  2. Step 2: Convert to fraction form
    448,676.88/672,869.76 = 149,077.02/x
  3. Step 3: Cross multiply
    448,676.88x = 672,869.76 × 149,077.02
  4. Step 4: Simplify right side
    448,676.88x = 100,309,418,668.92
  5. Step 5: Solve for x
    x = 100,309,418,668.92/448,676.88
  6. Step 6: Final answer
    x = 223,567.17

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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.