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Finding the Fourth Proportional to 283,858.72, 425,306.09 and 171,302.42

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Solution

The fourth proportional to 283,858.72, 425,306.09 and 171,302.42 is: 256,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,858.72 : 425,306.09 = 171,302.42 : x
  2. Step 2: Convert to fraction form
    283,858.72/425,306.09 = 171,302.42/x
  3. Step 3: Cross multiply
    283,858.72x = 425,306.09 × 171,302.42
  4. Step 4: Simplify right side
    283,858.72x = 72,855,962,457.74
  5. Step 5: Solve for x
    x = 72,855,962,457.74/283,858.72
  6. Step 6: Final answer
    x = 256,662.76

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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.