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Finding the Fourth Proportional to 503,869, 755,910.12 and 166,890.58

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Solution

The fourth proportional to 503,869, 755,910.12 and 166,890.58 is: 250,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,869 : 755,910.12 = 166,890.58 : x
  2. Step 2: Convert to fraction form
    503,869/755,910.12 = 166,890.58/x
  3. Step 3: Cross multiply
    503,869x = 755,910.12 × 166,890.58
  4. Step 4: Simplify right side
    503,869x = 126,154,278,354.67
  5. Step 5: Solve for x
    x = 126,154,278,354.67/503,869
  6. Step 6: Final answer
    x = 250,371.18

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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.