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Finding the Fourth Proportional to 329,275.36, 454,401.39 and 178,372.36

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Solution

The fourth proportional to 329,275.36, 454,401.39 and 178,372.36 is: 246,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,275.36 : 454,401.39 = 178,372.36 : x
  2. Step 2: Convert to fraction form
    329,275.36/454,401.39 = 178,372.36/x
  3. Step 3: Cross multiply
    329,275.36x = 454,401.39 × 178,372.36
  4. Step 4: Simplify right side
    329,275.36x = 81,052,648,321.58
  5. Step 5: Solve for x
    x = 81,052,648,321.58/329,275.36
  6. Step 6: Final answer
    x = 246,154.61

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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.