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Finding the Fourth Proportional to 454,104, 626,682.96 and 252,900

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Solution

The fourth proportional to 454,104, 626,682.96 and 252,900 is: 349,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,104 : 626,682.96 = 252,900 : x
  2. Step 2: Convert to fraction form
    454,104/626,682.96 = 252,900/x
  3. Step 3: Cross multiply
    454,104x = 626,682.96 × 252,900
  4. Step 4: Simplify right side
    454,104x = 158,488,120,584
  5. Step 5: Solve for x
    x = 158,488,120,584/454,104
  6. Step 6: Final answer
    x = 349,012.83

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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.