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Finding the Fourth Proportional to 324,812.11, 448,242.51 and 181,578.19

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Solution

The fourth proportional to 324,812.11, 448,242.51 and 181,578.19 is: 250,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,812.11 : 448,242.51 = 181,578.19 : x
  2. Step 2: Convert to fraction form
    324,812.11/448,242.51 = 181,578.19/x
  3. Step 3: Cross multiply
    324,812.11x = 448,242.51 × 181,578.19
  4. Step 4: Simplify right side
    324,812.11x = 81,391,063,646.86
  5. Step 5: Solve for x
    x = 81,391,063,646.86/324,812.11
  6. Step 6: Final answer
    x = 250,578.91

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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.