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Finding the Fourth Proportional to 283,265.32, 425,160.54 and 143,122.44

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Solution

The fourth proportional to 283,265.32, 425,160.54 and 143,122.44 is: 214,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,265.32 : 425,160.54 = 143,122.44 : x
  2. Step 2: Convert to fraction form
    283,265.32/425,160.54 = 143,122.44/x
  3. Step 3: Cross multiply
    283,265.32x = 425,160.54 × 143,122.44
  4. Step 4: Simplify right side
    283,265.32x = 60,850,013,876.52
  5. Step 5: Solve for x
    x = 60,850,013,876.52/283,265.32
  6. Step 6: Final answer
    x = 214,816.32

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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.