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Finding the Fourth Proportional to 474,428.73, 654,713.22 and 259,568.13

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Solution

The fourth proportional to 474,428.73, 654,713.22 and 259,568.13 is: 358,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,428.73 : 654,713.22 = 259,568.13 : x
  2. Step 2: Convert to fraction form
    474,428.73/654,713.22 = 259,568.13/x
  3. Step 3: Cross multiply
    474,428.73x = 654,713.22 × 259,568.13
  4. Step 4: Simplify right side
    474,428.73x = 169,942,686,201.68
  5. Step 5: Solve for x
    x = 169,942,686,201.68/474,428.73
  6. Step 6: Final answer
    x = 358,204.88

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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.