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Finding the Fourth Proportional to 322,627.97, 482,809.28 and 265,031.51

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Solution

The fourth proportional to 322,627.97, 482,809.28 and 265,031.51 is: 396,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,627.97 : 482,809.28 = 265,031.51 : x
  2. Step 2: Convert to fraction form
    322,627.97/482,809.28 = 265,031.51/x
  3. Step 3: Cross multiply
    322,627.97x = 482,809.28 × 265,031.51
  4. Step 4: Simplify right side
    322,627.97x = 127,959,668,781.21
  5. Step 5: Solve for x
    x = 127,959,668,781.21/322,627.97
  6. Step 6: Final answer
    x = 396,616.78

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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.