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Finding the Fourth Proportional to 329,319.68, 454,470.16 and 186,076.88

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Solution

The fourth proportional to 329,319.68, 454,470.16 and 186,076.88 is: 256,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,319.68 : 454,470.16 = 186,076.88 : x
  2. Step 2: Convert to fraction form
    329,319.68/454,470.16 = 186,076.88/x
  3. Step 3: Cross multiply
    329,319.68x = 454,470.16 × 186,076.88
  4. Step 4: Simplify right side
    329,319.68x = 84,566,389,425.90
  5. Step 5: Solve for x
    x = 84,566,389,425.90/329,319.68
  6. Step 6: Final answer
    x = 256,791.18

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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.