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Finding the Fourth Proportional to 476,974.48, 715,494.84 and 161,324.68

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Solution

The fourth proportional to 476,974.48, 715,494.84 and 161,324.68 is: 241,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,974.48 : 715,494.84 = 161,324.68 : x
  2. Step 2: Convert to fraction form
    476,974.48/715,494.84 = 161,324.68/x
  3. Step 3: Cross multiply
    476,974.48x = 715,494.84 × 161,324.68
  4. Step 4: Simplify right side
    476,974.48x = 115,426,976,104.65
  5. Step 5: Solve for x
    x = 115,426,976,104.65/476,974.48
  6. Step 6: Final answer
    x = 241,998.22

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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.