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Finding the Fourth Proportional to 256,402.44, 383,627.70 and 154,826.62

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Solution

The fourth proportional to 256,402.44, 383,627.70 and 154,826.62 is: 231,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,402.44 : 383,627.70 = 154,826.62 : x
  2. Step 2: Convert to fraction form
    256,402.44/383,627.70 = 154,826.62/x
  3. Step 3: Cross multiply
    256,402.44x = 383,627.70 × 154,826.62
  4. Step 4: Simplify right side
    256,402.44x = 59,395,780,129.37
  5. Step 5: Solve for x
    x = 59,395,780,129.37/256,402.44
  6. Step 6: Final answer
    x = 231,650.60

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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.