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Finding the Fourth Proportional to 381,250.26, 570,973.68 and 331,057.53

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Solution

The fourth proportional to 381,250.26, 570,973.68 and 331,057.53 is: 495,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,250.26 : 570,973.68 = 331,057.53 : x
  2. Step 2: Convert to fraction form
    381,250.26/570,973.68 = 331,057.53/x
  3. Step 3: Cross multiply
    381,250.26x = 570,973.68 × 331,057.53
  4. Step 4: Simplify right side
    381,250.26x = 189,025,136,195.81
  5. Step 5: Solve for x
    x = 189,025,136,195.81/381,250.26
  6. Step 6: Final answer
    x = 495,803.30

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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.