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Finding the Fourth Proportional to 283,696.32, 425,498.40 and 133,936.32

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Solution

The fourth proportional to 283,696.32, 425,498.40 and 133,936.32 is: 200,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,696.32 : 425,498.40 = 133,936.32 : x
  2. Step 2: Convert to fraction form
    283,696.32/425,498.40 = 133,936.32/x
  3. Step 3: Cross multiply
    283,696.32x = 425,498.40 × 133,936.32
  4. Step 4: Simplify right side
    283,696.32x = 56,989,689,861.89
  5. Step 5: Solve for x
    x = 56,989,689,861.89/283,696.32
  6. Step 6: Final answer
    x = 200,882.73

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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.