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Finding the Fourth Proportional to 329,037.59, 454,081.19 and 185,819.16

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Solution

The fourth proportional to 329,037.59, 454,081.19 and 185,819.16 is: 256,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,037.59 : 454,081.19 = 185,819.16 : x
  2. Step 2: Convert to fraction form
    329,037.59/454,081.19 = 185,819.16/x
  3. Step 3: Cross multiply
    329,037.59x = 454,081.19 × 185,819.16
  4. Step 4: Simplify right side
    329,037.59x = 84,376,987,116.54
  5. Step 5: Solve for x
    x = 84,376,987,116.54/329,037.59
  6. Step 6: Final answer
    x = 256,435.71

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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.