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Finding the Fourth Proportional to 438,553.89, 605,197.85 and 244,964.30

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Solution

The fourth proportional to 438,553.89, 605,197.85 and 244,964.30 is: 338,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,553.89 : 605,197.85 = 244,964.30 : x
  2. Step 2: Convert to fraction form
    438,553.89/605,197.85 = 244,964.30/x
  3. Step 3: Cross multiply
    438,553.89x = 605,197.85 × 244,964.30
  4. Step 4: Simplify right side
    438,553.89x = 148,251,863,435.94
  5. Step 5: Solve for x
    x = 148,251,863,435.94/438,553.89
  6. Step 6: Final answer
    x = 338,047.08

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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.