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Finding the Fourth Proportional to 372,573, 558,912.06 and 119,768.76

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Solution

The fourth proportional to 372,573, 558,912.06 and 119,768.76 is: 179,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,573 : 558,912.06 = 119,768.76 : x
  2. Step 2: Convert to fraction form
    372,573/558,912.06 = 119,768.76/x
  3. Step 3: Cross multiply
    372,573x = 558,912.06 × 119,768.76
  4. Step 4: Simplify right side
    372,573x = 66,940,204,375.25
  5. Step 5: Solve for x
    x = 66,940,204,375.25/372,573
  6. Step 6: Final answer
    x = 179,670.04

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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.