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Finding the Fourth Proportional to 330,149.64, 495,507.24 and 327,664.56

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Solution

The fourth proportional to 330,149.64, 495,507.24 and 327,664.56 is: 491,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,149.64 : 495,507.24 = 327,664.56 : x
  2. Step 2: Convert to fraction form
    330,149.64/495,507.24 = 327,664.56/x
  3. Step 3: Cross multiply
    330,149.64x = 495,507.24 × 327,664.56
  4. Step 4: Simplify right side
    330,149.64x = 162,360,161,771.41
  5. Step 5: Solve for x
    x = 162,360,161,771.41/330,149.64
  6. Step 6: Final answer
    x = 491,777.49

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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.