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Finding the Fourth Proportional to 353,791.18, 488,224.83 and 192,648.16

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Solution

The fourth proportional to 353,791.18, 488,224.83 and 192,648.16 is: 265,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,791.18 : 488,224.83 = 192,648.16 : x
  2. Step 2: Convert to fraction form
    353,791.18/488,224.83 = 192,648.16/x
  3. Step 3: Cross multiply
    353,791.18x = 488,224.83 × 192,648.16
  4. Step 4: Simplify right side
    353,791.18x = 94,055,615,165.81
  5. Step 5: Solve for x
    x = 94,055,615,165.81/353,791.18
  6. Step 6: Final answer
    x = 265,850.65

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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.