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Finding the Fourth Proportional to 329,266.68, 454,390.20 and 178,363.68

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Solution

The fourth proportional to 329,266.68, 454,390.20 and 178,363.68 is: 246,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,266.68 : 454,390.20 = 178,363.68 : x
  2. Step 2: Convert to fraction form
    329,266.68/454,390.20 = 178,363.68/x
  3. Step 3: Cross multiply
    329,266.68x = 454,390.20 × 178,363.68
  4. Step 4: Simplify right side
    329,266.68x = 81,046,708,227.94
  5. Step 5: Solve for x
    x = 81,046,708,227.94/329,266.68
  6. Step 6: Final answer
    x = 246,143.06

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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.