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Finding the Fourth Proportional to 457,882.88, 631,878.37 and 253,965.04

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Solution

The fourth proportional to 457,882.88, 631,878.37 and 253,965.04 is: 350,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,882.88 : 631,878.37 = 253,965.04 : x
  2. Step 2: Convert to fraction form
    457,882.88/631,878.37 = 253,965.04/x
  3. Step 3: Cross multiply
    457,882.88x = 631,878.37 × 253,965.04
  4. Step 4: Simplify right side
    457,882.88x = 160,475,013,297.58
  5. Step 5: Solve for x
    x = 160,475,013,297.58/457,882.88
  6. Step 6: Final answer
    x = 350,471.75

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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.