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Finding the Fourth Proportional to 283,857.50, 425,304.23 and 171,301.19

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Solution

The fourth proportional to 283,857.50, 425,304.23 and 171,301.19 is: 256,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,857.50 : 425,304.23 = 171,301.19 : x
  2. Step 2: Convert to fraction form
    283,857.50/425,304.23 = 171,301.19/x
  3. Step 3: Cross multiply
    283,857.50x = 425,304.23 × 171,301.19
  4. Step 4: Simplify right side
    283,857.50x = 72,855,117,728.01
  5. Step 5: Solve for x
    x = 72,855,117,728.01/283,857.50
  6. Step 6: Final answer
    x = 256,660.89

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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.