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Finding the Fourth Proportional to 417,753.67, 576,799.65 and 256,824.49

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Solution

The fourth proportional to 417,753.67, 576,799.65 and 256,824.49 is: 354,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,753.67 : 576,799.65 = 256,824.49 : x
  2. Step 2: Convert to fraction form
    417,753.67/576,799.65 = 256,824.49/x
  3. Step 3: Cross multiply
    417,753.67x = 576,799.65 × 256,824.49
  4. Step 4: Simplify right side
    417,753.67x = 148,136,275,943.43
  5. Step 5: Solve for x
    x = 148,136,275,943.43/417,753.67
  6. Step 6: Final answer
    x = 354,601.97

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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.