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Finding the Fourth Proportional to 256,482.60, 384,687.45 and 88,010.70

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Solution

The fourth proportional to 256,482.60, 384,687.45 and 88,010.70 is: 132,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,482.60 : 384,687.45 = 88,010.70 : x
  2. Step 2: Convert to fraction form
    256,482.60/384,687.45 = 88,010.70/x
  3. Step 3: Cross multiply
    256,482.60x = 384,687.45 × 88,010.70
  4. Step 4: Simplify right side
    256,482.60x = 33,856,611,755.72
  5. Step 5: Solve for x
    x = 33,856,611,755.72/256,482.60
  6. Step 6: Final answer
    x = 132,003.54

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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.