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Finding the Fourth Proportional to 352,187.52, 486,017.16 and 191,042.64

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Solution

The fourth proportional to 352,187.52, 486,017.16 and 191,042.64 is: 263,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,187.52 : 486,017.16 = 191,042.64 : x
  2. Step 2: Convert to fraction form
    352,187.52/486,017.16 = 191,042.64/x
  3. Step 3: Cross multiply
    352,187.52x = 486,017.16 × 191,042.64
  4. Step 4: Simplify right side
    352,187.52x = 92,850,001,331.70
  5. Step 5: Solve for x
    x = 92,850,001,331.70/352,187.52
  6. Step 6: Final answer
    x = 263,637.97

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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.