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Finding the Fourth Proportional to 324,668.85, 448,041.96 and 181,428.87

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Solution

The fourth proportional to 324,668.85, 448,041.96 and 181,428.87 is: 250,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,668.85 : 448,041.96 = 181,428.87 : x
  2. Step 2: Convert to fraction form
    324,668.85/448,041.96 = 181,428.87/x
  3. Step 3: Cross multiply
    324,668.85x = 448,041.96 × 181,428.87
  4. Step 4: Simplify right side
    324,668.85x = 81,287,746,515.39
  5. Step 5: Solve for x
    x = 81,287,746,515.39/324,668.85
  6. Step 6: Final answer
    x = 250,371.25

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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.