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Finding the Fourth Proportional to 352,998.34, 487,134.79 and 191,854.37

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Solution

The fourth proportional to 352,998.34, 487,134.79 and 191,854.37 is: 264,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,998.34 : 487,134.79 = 191,854.37 : x
  2. Step 2: Convert to fraction form
    352,998.34/487,134.79 = 191,854.37/x
  3. Step 3: Cross multiply
    352,998.34x = 487,134.79 × 191,854.37
  4. Step 4: Simplify right side
    352,998.34x = 93,458,938,240.53
  5. Step 5: Solve for x
    x = 93,458,938,240.53/352,998.34
  6. Step 6: Final answer
    x = 264,757.44

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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.