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Finding the Fourth Proportional to 457,882.13, 631,877.33 and 253,964.28

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Solution

The fourth proportional to 457,882.13, 631,877.33 and 253,964.28 is: 350,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,882.13 : 631,877.33 = 253,964.28 : x
  2. Step 2: Convert to fraction form
    457,882.13/631,877.33 = 253,964.28/x
  3. Step 3: Cross multiply
    457,882.13x = 631,877.33 × 253,964.28
  4. Step 4: Simplify right side
    457,882.13x = 160,474,271,796.68
  5. Step 5: Solve for x
    x = 160,474,271,796.68/457,882.13
  6. Step 6: Final answer
    x = 350,470.71

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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.