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Finding the Fourth Proportional to 632,891.27, 873,514.45 and 479,662.19

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Solution

The fourth proportional to 632,891.27, 873,514.45 and 479,662.19 is: 662,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,891.27 : 873,514.45 = 479,662.19 : x
  2. Step 2: Convert to fraction form
    632,891.27/873,514.45 = 479,662.19/x
  3. Step 3: Cross multiply
    632,891.27x = 873,514.45 × 479,662.19
  4. Step 4: Simplify right side
    632,891.27x = 418,991,854,083.65
  5. Step 5: Solve for x
    x = 418,991,854,083.65/632,891.27
  6. Step 6: Final answer
    x = 662,028.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.