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Finding the Fourth Proportional to 362,781.28, 542,580.24 and 323,080.24

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Solution

The fourth proportional to 362,781.28, 542,580.24 and 323,080.24 is: 483,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,781.28 : 542,580.24 = 323,080.24 : x
  2. Step 2: Convert to fraction form
    362,781.28/542,580.24 = 323,080.24/x
  3. Step 3: Cross multiply
    362,781.28x = 542,580.24 × 323,080.24
  4. Step 4: Simplify right side
    362,781.28x = 175,296,954,158.46
  5. Step 5: Solve for x
    x = 175,296,954,158.46/362,781.28
  6. Step 6: Final answer
    x = 483,202.87

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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.