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Finding the Fourth Proportional to 290,951.44, 401,416.56 and 237,143.92

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Solution

The fourth proportional to 290,951.44, 401,416.56 and 237,143.92 is: 327,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,951.44 : 401,416.56 = 237,143.92 : x
  2. Step 2: Convert to fraction form
    290,951.44/401,416.56 = 237,143.92/x
  3. Step 3: Cross multiply
    290,951.44x = 401,416.56 × 237,143.92
  4. Step 4: Simplify right side
    290,951.44x = 95,193,496,591.32
  5. Step 5: Solve for x
    x = 95,193,496,591.32/290,951.44
  6. Step 6: Final answer
    x = 327,180.02

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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.