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Finding the Fourth Proportional to 329,139.91, 454,210.44 and 178,236.91

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Solution

The fourth proportional to 329,139.91, 454,210.44 and 178,236.91 is: 245,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,139.91 : 454,210.44 = 178,236.91 : x
  2. Step 2: Convert to fraction form
    329,139.91/454,210.44 = 178,236.91/x
  3. Step 3: Cross multiply
    329,139.91x = 454,210.44 × 178,236.91
  4. Step 4: Simplify right side
    329,139.91x = 80,957,063,044.29
  5. Step 5: Solve for x
    x = 80,957,063,044.29/329,139.91
  6. Step 6: Final answer
    x = 245,965.51

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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.