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Finding the Fourth Proportional to 283,321.70, 425,616.15 and 236,665.70

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Solution

The fourth proportional to 283,321.70, 425,616.15 and 236,665.70 is: 355,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,321.70 : 425,616.15 = 236,665.70 : x
  2. Step 2: Convert to fraction form
    283,321.70/425,616.15 = 236,665.70/x
  3. Step 3: Cross multiply
    283,321.70x = 425,616.15 × 236,665.70
  4. Step 4: Simplify right side
    283,321.70x = 100,728,744,071.06
  5. Step 5: Solve for x
    x = 100,728,744,071.06/283,321.70
  6. Step 6: Final answer
    x = 355,527.81

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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.