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Finding the Fourth Proportional to 351,633.29, 484,863.10 and 254,645.30

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Solution

The fourth proportional to 351,633.29, 484,863.10 and 254,645.30 is: 351,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,633.29 : 484,863.10 = 254,645.30 : x
  2. Step 2: Convert to fraction form
    351,633.29/484,863.10 = 254,645.30/x
  3. Step 3: Cross multiply
    351,633.29x = 484,863.10 × 254,645.30
  4. Step 4: Simplify right side
    351,633.29x = 123,468,110,133.97
  5. Step 5: Solve for x
    x = 123,468,110,133.97/351,633.29
  6. Step 6: Final answer
    x = 351,127.48

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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.