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Finding the Fourth Proportional to 353,551.16, 488,067.42 and 226,300.52

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Solution

The fourth proportional to 353,551.16, 488,067.42 and 226,300.52 is: 312,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,551.16 : 488,067.42 = 226,300.52 : x
  2. Step 2: Convert to fraction form
    353,551.16/488,067.42 = 226,300.52/x
  3. Step 3: Cross multiply
    353,551.16x = 488,067.42 × 226,300.52
  4. Step 4: Simplify right side
    353,551.16x = 110,449,910,941.06
  5. Step 5: Solve for x
    x = 110,449,910,941.06/353,551.16
  6. Step 6: Final answer
    x = 312,401.49

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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.