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Finding the Fourth Proportional to 448,687.89, 619,196.67 and 244,738.80

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Solution

The fourth proportional to 448,687.89, 619,196.67 and 244,738.80 is: 337,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,687.89 : 619,196.67 = 244,738.80 : x
  2. Step 2: Convert to fraction form
    448,687.89/619,196.67 = 244,738.80/x
  3. Step 3: Cross multiply
    448,687.89x = 619,196.67 × 244,738.80
  4. Step 4: Simplify right side
    448,687.89x = 151,541,449,979.80
  5. Step 5: Solve for x
    x = 151,541,449,979.80/448,687.89
  6. Step 6: Final answer
    x = 337,743.57

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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.