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Finding the Fourth Proportional to 332,158.78, 458,380.38 and 181,255.78

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Solution

The fourth proportional to 332,158.78, 458,380.38 and 181,255.78 is: 250,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,158.78 : 458,380.38 = 181,255.78 : x
  2. Step 2: Convert to fraction form
    332,158.78/458,380.38 = 181,255.78/x
  3. Step 3: Cross multiply
    332,158.78x = 458,380.38 × 181,255.78
  4. Step 4: Simplify right side
    332,158.78x = 83,084,093,313.60
  5. Step 5: Solve for x
    x = 83,084,093,313.60/332,158.78
  6. Step 6: Final answer
    x = 250,133.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.