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Finding the Fourth Proportional to 329,380.44, 454,369.71 and 200,358.36

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Solution

The fourth proportional to 329,380.44, 454,369.71 and 200,358.36 is: 276,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,380.44 : 454,369.71 = 200,358.36 : x
  2. Step 2: Convert to fraction form
    329,380.44/454,369.71 = 200,358.36/x
  3. Step 3: Cross multiply
    329,380.44x = 454,369.71 × 200,358.36
  4. Step 4: Simplify right side
    329,380.44x = 91,036,769,929.28
  5. Step 5: Solve for x
    x = 91,036,769,929.28/329,380.44
  6. Step 6: Final answer
    x = 276,387.91

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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.