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Finding the Fourth Proportional to 906,367, 1,356,925.98 and 682,669.72

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Solution

The fourth proportional to 906,367, 1,356,925.98 and 682,669.72 is: 1,022,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,367 : 1,356,925.98 = 682,669.72 : x
  2. Step 2: Convert to fraction form
    906,367/1,356,925.98 = 682,669.72/x
  3. Step 3: Cross multiply
    906,367x = 1,356,925.98 × 682,669.72
  4. Step 4: Simplify right side
    906,367x = 926,332,278,827.33
  5. Step 5: Solve for x
    x = 926,332,278,827.33/906,367
  6. Step 6: Final answer
    x = 1,022,027.81

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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.