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Finding the Fourth Proportional to 438,553.56, 605,203.92 and 237,349.56

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Solution

The fourth proportional to 438,553.56, 605,203.92 and 237,349.56 is: 327,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,553.56 : 605,203.92 = 237,349.56 : x
  2. Step 2: Convert to fraction form
    438,553.56/605,203.92 = 237,349.56/x
  3. Step 3: Cross multiply
    438,553.56x = 605,203.92 × 237,349.56
  4. Step 4: Simplify right side
    438,553.56x = 143,644,884,122.28
  5. Step 5: Solve for x
    x = 143,644,884,122.28/438,553.56
  6. Step 6: Final answer
    x = 327,542.40

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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.