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Finding the Fourth Proportional to 427,891.22, 590,617.89 and 276,998.42

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Solution

The fourth proportional to 427,891.22, 590,617.89 and 276,998.42 is: 382,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,891.22 : 590,617.89 = 276,998.42 : x
  2. Step 2: Convert to fraction form
    427,891.22/590,617.89 = 276,998.42/x
  3. Step 3: Cross multiply
    427,891.22x = 590,617.89 × 276,998.42
  4. Step 4: Simplify right side
    427,891.22x = 163,600,222,353.73
  5. Step 5: Solve for x
    x = 163,600,222,353.73/427,891.22
  6. Step 6: Final answer
    x = 382,340.69

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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.