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Finding the Fourth Proportional to 438,419.88, 605,020.32 and 244,826.64

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Solution

The fourth proportional to 438,419.88, 605,020.32 and 244,826.64 is: 337,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,419.88 : 605,020.32 = 244,826.64 : x
  2. Step 2: Convert to fraction form
    438,419.88/605,020.32 = 244,826.64/x
  3. Step 3: Cross multiply
    438,419.88x = 605,020.32 × 244,826.64
  4. Step 4: Simplify right side
    438,419.88x = 148,125,092,077.33
  5. Step 5: Solve for x
    x = 148,125,092,077.33/438,419.88
  6. Step 6: Final answer
    x = 337,861.26

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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.