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Finding the Fourth Proportional to 353,093.11, 487,262.75 and 191,952.21

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Solution

The fourth proportional to 353,093.11, 487,262.75 and 191,952.21 is: 264,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,093.11 : 487,262.75 = 191,952.21 : x
  2. Step 2: Convert to fraction form
    353,093.11/487,262.75 = 191,952.21/x
  3. Step 3: Cross multiply
    353,093.11x = 487,262.75 × 191,952.21
  4. Step 4: Simplify right side
    353,093.11x = 93,531,162,580.65
  5. Step 5: Solve for x
    x = 93,531,162,580.65/353,093.11
  6. Step 6: Final answer
    x = 264,890.93

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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.