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Finding the Fourth Proportional to 283,807.88, 425,230.09 and 171,251.59

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Solution

The fourth proportional to 283,807.88, 425,230.09 and 171,251.59 is: 256,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,807.88 : 425,230.09 = 171,251.59 : x
  2. Step 2: Convert to fraction form
    283,807.88/425,230.09 = 171,251.59/x
  3. Step 3: Cross multiply
    283,807.88x = 425,230.09 × 171,251.59
  4. Step 4: Simplify right side
    283,807.88x = 72,821,329,169.17
  5. Step 5: Solve for x
    x = 72,821,329,169.17/283,807.88
  6. Step 6: Final answer
    x = 256,586.70

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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.