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Finding the Fourth Proportional to 250,902.78, 376,459.41 and 156,212.22

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Solution

The fourth proportional to 250,902.78, 376,459.41 and 156,212.22 is: 234,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,902.78 : 376,459.41 = 156,212.22 : x
  2. Step 2: Convert to fraction form
    250,902.78/376,459.41 = 156,212.22/x
  3. Step 3: Cross multiply
    250,902.78x = 376,459.41 × 156,212.22
  4. Step 4: Simplify right side
    250,902.78x = 58,807,560,175.99
  5. Step 5: Solve for x
    x = 58,807,560,175.99/250,902.78
  6. Step 6: Final answer
    x = 234,383.85

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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.