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Finding the Fourth Proportional to 353,016.23, 487,167.33 and 191,871.23

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Solution

The fourth proportional to 353,016.23, 487,167.33 and 191,871.23 is: 264,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,016.23 : 487,167.33 = 191,871.23 : x
  2. Step 2: Convert to fraction form
    353,016.23/487,167.33 = 191,871.23/x
  3. Step 3: Cross multiply
    353,016.23x = 487,167.33 × 191,871.23
  4. Step 4: Simplify right side
    353,016.23x = 93,473,394,822.92
  5. Step 5: Solve for x
    x = 93,473,394,822.92/353,016.23
  6. Step 6: Final answer
    x = 264,784.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.