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Finding the Fourth Proportional to 448,483.73, 672,610.76 and 132,866.82

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Solution

The fourth proportional to 448,483.73, 672,610.76 and 132,866.82 is: 199,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,483.73 : 672,610.76 = 132,866.82 : x
  2. Step 2: Convert to fraction form
    448,483.73/672,610.76 = 132,866.82/x
  3. Step 3: Cross multiply
    448,483.73x = 672,610.76 × 132,866.82
  4. Step 4: Simplify right side
    448,483.73x = 89,367,652,114.65
  5. Step 5: Solve for x
    x = 89,367,652,114.65/448,483.73
  6. Step 6: Final answer
    x = 199,266.21

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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.