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Finding the Fourth Proportional to 544,353.45, 816,561.96 and 165,286.55

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Solution

The fourth proportional to 544,353.45, 816,561.96 and 165,286.55 is: 247,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,353.45 : 816,561.96 = 165,286.55 : x
  2. Step 2: Convert to fraction form
    544,353.45/816,561.96 = 165,286.55/x
  3. Step 3: Cross multiply
    544,353.45x = 816,561.96 × 165,286.55
  4. Step 4: Simplify right side
    544,353.45x = 134,966,708,403.21
  5. Step 5: Solve for x
    x = 134,966,708,403.21/544,353.45
  6. Step 6: Final answer
    x = 247,939.47

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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.