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Finding the Fourth Proportional to 625,053.26, 937,645.78 and 204,328.46

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Solution

The fourth proportional to 625,053.26, 937,645.78 and 204,328.46 is: 306,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,053.26 : 937,645.78 = 204,328.46 : x
  2. Step 2: Convert to fraction form
    625,053.26/937,645.78 = 204,328.46/x
  3. Step 3: Cross multiply
    625,053.26x = 937,645.78 × 204,328.46
  4. Step 4: Simplify right side
    625,053.26x = 191,587,718,252.90
  5. Step 5: Solve for x
    x = 191,587,718,252.90/625,053.26
  6. Step 6: Final answer
    x = 306,514.23

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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.