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Finding the Fourth Proportional to 329,584.29, 454,838.55 and 186,335.79

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Solution

The fourth proportional to 329,584.29, 454,838.55 and 186,335.79 is: 257,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,584.29 : 454,838.55 = 186,335.79 : x
  2. Step 2: Convert to fraction form
    329,584.29/454,838.55 = 186,335.79/x
  3. Step 3: Cross multiply
    329,584.29x = 454,838.55 × 186,335.79
  4. Step 4: Simplify right side
    329,584.29x = 84,752,700,536.70
  5. Step 5: Solve for x
    x = 84,752,700,536.70/329,584.29
  6. Step 6: Final answer
    x = 257,150.30

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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.