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Finding the Fourth Proportional to 329,254.19, 454,361.45 and 193,285.97

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Solution

The fourth proportional to 329,254.19, 454,361.45 and 193,285.97 is: 266,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,254.19 : 454,361.45 = 193,285.97 : x
  2. Step 2: Convert to fraction form
    329,254.19/454,361.45 = 193,285.97/x
  3. Step 3: Cross multiply
    329,254.19x = 454,361.45 × 193,285.97
  4. Step 4: Simplify right side
    329,254.19x = 87,821,690,355.62
  5. Step 5: Solve for x
    x = 87,821,690,355.62/329,254.19
  6. Step 6: Final answer
    x = 266,729.15

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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.