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Finding the Fourth Proportional to 508,520.52, 701,758.28 and 282,202.44

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Solution

The fourth proportional to 508,520.52, 701,758.28 and 282,202.44 is: 389,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,520.52 : 701,758.28 = 282,202.44 : x
  2. Step 2: Convert to fraction form
    508,520.52/701,758.28 = 282,202.44/x
  3. Step 3: Cross multiply
    508,520.52x = 701,758.28 × 282,202.44
  4. Step 4: Simplify right side
    508,520.52x = 198,037,898,906.20
  5. Step 5: Solve for x
    x = 198,037,898,906.20/508,520.52
  6. Step 6: Final answer
    x = 389,439.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.