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Finding the Fourth Proportional to 353,965.02, 488,466.09 and 192,822

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Solution

The fourth proportional to 353,965.02, 488,466.09 and 192,822 is: 266,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,965.02 : 488,466.09 = 192,822 : x
  2. Step 2: Convert to fraction form
    353,965.02/488,466.09 = 192,822/x
  3. Step 3: Cross multiply
    353,965.02x = 488,466.09 × 192,822
  4. Step 4: Simplify right side
    353,965.02x = 94,187,008,405.98
  5. Step 5: Solve for x
    x = 94,187,008,405.98/353,965.02
  6. Step 6: Final answer
    x = 266,091.29

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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.