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Finding the Fourth Proportional to 503,869.39, 755,910.69 and 166,890.95

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Solution

The fourth proportional to 503,869.39, 755,910.69 and 166,890.95 is: 250,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,869.39 : 755,910.69 = 166,890.95 : x
  2. Step 2: Convert to fraction form
    503,869.39/755,910.69 = 166,890.95/x
  3. Step 3: Cross multiply
    503,869.39x = 755,910.69 × 166,890.95
  4. Step 4: Simplify right side
    503,869.39x = 126,154,653,169.26
  5. Step 5: Solve for x
    x = 126,154,653,169.26/503,869.39
  6. Step 6: Final answer
    x = 250,371.73

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1.5x scale

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.