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Finding the Fourth Proportional to 283,854.59, 425,299.90 and 171,298.29

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Solution

The fourth proportional to 283,854.59, 425,299.90 and 171,298.29 is: 256,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,854.59 : 425,299.90 = 171,298.29 : x
  2. Step 2: Convert to fraction form
    283,854.59/425,299.90 = 171,298.29/x
  3. Step 3: Cross multiply
    283,854.59x = 425,299.90 × 171,298.29
  4. Step 4: Simplify right side
    283,854.59x = 72,853,146,035.42
  5. Step 5: Solve for x
    x = 72,853,146,035.42/283,854.59
  6. Step 6: Final answer
    x = 256,656.57

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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.