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Finding the Fourth Proportional to 329,180.76, 454,278.78 and 185,946.84

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Solution

The fourth proportional to 329,180.76, 454,278.78 and 185,946.84 is: 256,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,180.76 : 454,278.78 = 185,946.84 : x
  2. Step 2: Convert to fraction form
    329,180.76/454,278.78 = 185,946.84/x
  3. Step 3: Cross multiply
    329,180.76x = 454,278.78 × 185,946.84
  4. Step 4: Simplify right side
    329,180.76x = 84,471,703,620.06
  5. Step 5: Solve for x
    x = 84,471,703,620.06/329,180.76
  6. Step 6: Final answer
    x = 256,611.91

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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.