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Finding the Fourth Proportional to 352,167.88, 485,988.80 and 191,022.52

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Solution

The fourth proportional to 352,167.88, 485,988.80 and 191,022.52 is: 263,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,167.88 : 485,988.80 = 191,022.52 : x
  2. Step 2: Convert to fraction form
    352,167.88/485,988.80 = 191,022.52/x
  3. Step 3: Cross multiply
    352,167.88x = 485,988.80 × 191,022.52
  4. Step 4: Simplify right side
    352,167.88x = 92,834,805,267.78
  5. Step 5: Solve for x
    x = 92,834,805,267.78/352,167.88
  6. Step 6: Final answer
    x = 263,609.52

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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.