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Finding the Fourth Proportional to 283,856.53, 425,302.81 and 171,300.23

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Solution

The fourth proportional to 283,856.53, 425,302.81 and 171,300.23 is: 256,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,856.53 : 425,302.81 = 171,300.23 : x
  2. Step 2: Convert to fraction form
    283,856.53/425,302.81 = 171,300.23/x
  3. Step 3: Cross multiply
    283,856.53x = 425,302.81 × 171,300.23
  4. Step 4: Simplify right side
    283,856.53x = 72,854,469,172.65
  5. Step 5: Solve for x
    x = 72,854,469,172.65/283,856.53
  6. Step 6: Final answer
    x = 256,659.48

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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.