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Finding the Fourth Proportional to 329,251.08, 454,366.50 and 178,348.08

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Solution

The fourth proportional to 329,251.08, 454,366.50 and 178,348.08 is: 246,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,251.08 : 454,366.50 = 178,348.08 : x
  2. Step 2: Convert to fraction form
    329,251.08/454,366.50 = 178,348.08/x
  3. Step 3: Cross multiply
    329,251.08x = 454,366.50 × 178,348.08
  4. Step 4: Simplify right side
    329,251.08x = 81,035,392,891.32
  5. Step 5: Solve for x
    x = 81,035,392,891.32/329,251.08
  6. Step 6: Final answer
    x = 246,120.36

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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.