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Finding the Fourth Proportional to 335,437.61, 463,568.06 and 274,912.79

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Solution

The fourth proportional to 335,437.61, 463,568.06 and 274,912.79 is: 379,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,437.61 : 463,568.06 = 274,912.79 : x
  2. Step 2: Convert to fraction form
    335,437.61/463,568.06 = 274,912.79/x
  3. Step 3: Cross multiply
    335,437.61x = 463,568.06 × 274,912.79
  4. Step 4: Simplify right side
    335,437.61x = 127,440,787,098.93
  5. Step 5: Solve for x
    x = 127,440,787,098.93/335,437.61
  6. Step 6: Final answer
    x = 379,923.97

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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.