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Finding the Fourth Proportional to 329,171.18, 454,293.17 and 185,940.45

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Solution

The fourth proportional to 329,171.18, 454,293.17 and 185,940.45 is: 256,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,171.18 : 454,293.17 = 185,940.45 : x
  2. Step 2: Convert to fraction form
    329,171.18/454,293.17 = 185,940.45/x
  3. Step 3: Cross multiply
    329,171.18x = 454,293.17 × 185,940.45
  4. Step 4: Simplify right side
    329,171.18x = 84,471,476,461.73
  5. Step 5: Solve for x
    x = 84,471,476,461.73/329,171.18
  6. Step 6: Final answer
    x = 256,618.69

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1.5x scale

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.