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Finding the Fourth Proportional to 438,833.52, 605,590.11 and 237,629.52

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Solution

The fourth proportional to 438,833.52, 605,590.11 and 237,629.52 is: 327,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,833.52 : 605,590.11 = 237,629.52 : x
  2. Step 2: Convert to fraction form
    438,833.52/605,590.11 = 237,629.52/x
  3. Step 3: Cross multiply
    438,833.52x = 605,590.11 × 237,629.52
  4. Step 4: Simplify right side
    438,833.52x = 143,906,087,156.05
  5. Step 5: Solve for x
    x = 143,906,087,156.05/438,833.52
  6. Step 6: Final answer
    x = 327,928.66

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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.