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Finding the Fourth Proportional to 438,652.56, 605,341.44 and 237,448.56

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Solution

The fourth proportional to 438,652.56, 605,341.44 and 237,448.56 is: 327,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,652.56 : 605,341.44 = 237,448.56 : x
  2. Step 2: Convert to fraction form
    438,652.56/605,341.44 = 237,448.56/x
  3. Step 3: Cross multiply
    438,652.56x = 605,341.44 × 237,448.56
  4. Step 4: Simplify right side
    438,652.56x = 143,737,453,236.33
  5. Step 5: Solve for x
    x = 143,737,453,236.33/438,652.56
  6. Step 6: Final answer
    x = 327,679.50

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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.