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Finding the Fourth Proportional to 251,971.59, 376,114.14 and 222,078.96

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Solution

The fourth proportional to 251,971.59, 376,114.14 and 222,078.96 is: 331,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,971.59 : 376,114.14 = 222,078.96 : x
  2. Step 2: Convert to fraction form
    251,971.59/376,114.14 = 222,078.96/x
  3. Step 3: Cross multiply
    251,971.59x = 376,114.14 × 222,078.96
  4. Step 4: Simplify right side
    251,971.59x = 83,527,037,052.49
  5. Step 5: Solve for x
    x = 83,527,037,052.49/251,971.59
  6. Step 6: Final answer
    x = 331,493.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.