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Finding the Fourth Proportional to 448,544.58, 672,702.27 and 132,927.78

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Solution

The fourth proportional to 448,544.58, 672,702.27 and 132,927.78 is: 199,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,544.58 : 672,702.27 = 132,927.78 : x
  2. Step 2: Convert to fraction form
    448,544.58/672,702.27 = 132,927.78/x
  3. Step 3: Cross multiply
    448,544.58x = 672,702.27 × 132,927.78
  4. Step 4: Simplify right side
    448,544.58x = 89,420,819,352.06
  5. Step 5: Solve for x
    x = 89,420,819,352.06/448,544.58
  6. Step 6: Final answer
    x = 199,357.71

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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.