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Finding the Fourth Proportional to 322,265.40, 483,398.10 and 308,614.20

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Solution

The fourth proportional to 322,265.40, 483,398.10 and 308,614.20 is: 462,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,265.40 : 483,398.10 = 308,614.20 : x
  2. Step 2: Convert to fraction form
    322,265.40/483,398.10 = 308,614.20/x
  3. Step 3: Cross multiply
    322,265.40x = 483,398.10 × 308,614.20
  4. Step 4: Simplify right side
    322,265.40x = 149,183,517,913.02
  5. Step 5: Solve for x
    x = 149,183,517,913.02/322,265.40
  6. Step 6: Final answer
    x = 462,921.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.