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Finding the Fourth Proportional to 329,302.97, 454,438.55 and 178,399.97

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Solution

The fourth proportional to 329,302.97, 454,438.55 and 178,399.97 is: 246,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,302.97 : 454,438.55 = 178,399.97 : x
  2. Step 2: Convert to fraction form
    329,302.97/454,438.55 = 178,399.97/x
  3. Step 3: Cross multiply
    329,302.97x = 454,438.55 × 178,399.97
  4. Step 4: Simplify right side
    329,302.97x = 81,071,823,564.80
  5. Step 5: Solve for x
    x = 81,071,823,564.80/329,302.97
  6. Step 6: Final answer
    x = 246,192.20

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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.