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Finding the Fourth Proportional to 323,535.68, 485,399.92 and 233,781.20

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Solution

The fourth proportional to 323,535.68, 485,399.92 and 233,781.20 is: 350,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,535.68 : 485,399.92 = 233,781.20 : x
  2. Step 2: Convert to fraction form
    323,535.68/485,399.92 = 233,781.20/x
  3. Step 3: Cross multiply
    323,535.68x = 485,399.92 × 233,781.20
  4. Step 4: Simplify right side
    323,535.68x = 113,477,375,777.50
  5. Step 5: Solve for x
    x = 113,477,375,777.50/323,535.68
  6. Step 6: Final answer
    x = 350,741.46

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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.