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Finding the Fourth Proportional to 541,986.99, 813,020.81 and 162,877.38

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Solution

The fourth proportional to 541,986.99, 813,020.81 and 162,877.38 is: 244,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,986.99 : 813,020.81 = 162,877.38 : x
  2. Step 2: Convert to fraction form
    541,986.99/813,020.81 = 162,877.38/x
  3. Step 3: Cross multiply
    541,986.99x = 813,020.81 × 162,877.38
  4. Step 4: Simplify right side
    541,986.99x = 132,422,699,418.28
  5. Step 5: Solve for x
    x = 132,422,699,418.28/541,986.99
  6. Step 6: Final answer
    x = 244,328.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.