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Finding the Fourth Proportional to 544,379.82, 816,516.94 and 165,303.84

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Solution

The fourth proportional to 544,379.82, 816,516.94 and 165,303.84 is: 247,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,379.82 : 816,516.94 = 165,303.84 : x
  2. Step 2: Convert to fraction form
    544,379.82/816,516.94 = 165,303.84/x
  3. Step 3: Cross multiply
    544,379.82x = 816,516.94 × 165,303.84
  4. Step 4: Simplify right side
    544,379.82x = 134,973,385,607.05
  5. Step 5: Solve for x
    x = 134,973,385,607.05/544,379.82
  6. Step 6: Final answer
    x = 247,939.73

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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.