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Finding the Fourth Proportional to 353,752.82, 488,187.66 and 192,616.70

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Solution

The fourth proportional to 353,752.82, 488,187.66 and 192,616.70 is: 265,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,752.82 : 488,187.66 = 192,616.70 : x
  2. Step 2: Convert to fraction form
    353,752.82/488,187.66 = 192,616.70/x
  3. Step 3: Cross multiply
    353,752.82x = 488,187.66 × 192,616.70
  4. Step 4: Simplify right side
    353,752.82x = 94,033,095,993.88
  5. Step 5: Solve for x
    x = 94,033,095,993.88/353,752.82
  6. Step 6: Final answer
    x = 265,815.82

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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.