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Finding the Fourth Proportional to 299,010.49, 412,299.28 and 244,393.20

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Solution

The fourth proportional to 299,010.49, 412,299.28 and 244,393.20 is: 336,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,010.49 : 412,299.28 = 244,393.20 : x
  2. Step 2: Convert to fraction form
    299,010.49/412,299.28 = 244,393.20/x
  3. Step 3: Cross multiply
    299,010.49x = 412,299.28 × 244,393.20
  4. Step 4: Simplify right side
    299,010.49x = 100,763,140,873.80
  5. Step 5: Solve for x
    x = 100,763,140,873.80/299,010.49
  6. Step 6: Final answer
    x = 336,988.65

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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.