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Finding the Fourth Proportional to 283,704, 425,445.28 and 123,828.83

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Solution

The fourth proportional to 283,704, 425,445.28 and 123,828.83 is: 185,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,704 : 425,445.28 = 123,828.83 : x
  2. Step 2: Convert to fraction form
    283,704/425,445.28 = 123,828.83/x
  3. Step 3: Cross multiply
    283,704x = 425,445.28 × 123,828.83
  4. Step 4: Simplify right side
    283,704x = 52,682,391,251.42
  5. Step 5: Solve for x
    x = 52,682,391,251.42/283,704
  6. Step 6: Final answer
    x = 185,694.92

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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.