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Finding the Fourth Proportional to 283,512.76, 425,121.48 and 133,712.82

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Solution

The fourth proportional to 283,512.76, 425,121.48 and 133,712.82 is: 200,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,512.76 : 425,121.48 = 133,712.82 : x
  2. Step 2: Convert to fraction form
    283,512.76/425,121.48 = 133,712.82/x
  3. Step 3: Cross multiply
    283,512.76x = 425,121.48 × 133,712.82
  4. Step 4: Simplify right side
    283,512.76x = 56,844,191,933.37
  5. Step 5: Solve for x
    x = 56,844,191,933.37/283,512.76
  6. Step 6: Final answer
    x = 200,499.59

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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.