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Finding the Fourth Proportional to 329,473.20, 454,680.96 and 186,233.76

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Solution

The fourth proportional to 329,473.20, 454,680.96 and 186,233.76 is: 257,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,473.20 : 454,680.96 = 186,233.76 : x
  2. Step 2: Convert to fraction form
    329,473.20/454,680.96 = 186,233.76/x
  3. Step 3: Cross multiply
    329,473.20x = 454,680.96 × 186,233.76
  4. Step 4: Simplify right side
    329,473.20x = 84,676,944,781.21
  5. Step 5: Solve for x
    x = 84,676,944,781.21/329,473.20
  6. Step 6: Final answer
    x = 257,007.08

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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.