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Finding the Fourth Proportional to 256,777.97, 385,540.83 and 182,293.61

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Solution

The fourth proportional to 256,777.97, 385,540.83 and 182,293.61 is: 273,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,777.97 : 385,540.83 = 182,293.61 : x
  2. Step 2: Convert to fraction form
    256,777.97/385,540.83 = 182,293.61/x
  3. Step 3: Cross multiply
    256,777.97x = 385,540.83 × 182,293.61
  4. Step 4: Simplify right side
    256,777.97x = 70,281,627,775.39
  5. Step 5: Solve for x
    x = 70,281,627,775.39/256,777.97
  6. Step 6: Final answer
    x = 273,705.84

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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.