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Finding the Fourth Proportional to 454,081.88, 626,633.14 and 263,205.98

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Solution

The fourth proportional to 454,081.88, 626,633.14 and 263,205.98 is: 363,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,081.88 : 626,633.14 = 263,205.98 : x
  2. Step 2: Convert to fraction form
    454,081.88/626,633.14 = 263,205.98/x
  3. Step 3: Cross multiply
    454,081.88x = 626,633.14 × 263,205.98
  4. Step 4: Simplify right side
    454,081.88x = 164,933,589,714.18
  5. Step 5: Solve for x
    x = 164,933,589,714.18/454,081.88
  6. Step 6: Final answer
    x = 363,224.34

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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.