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Finding the Fourth Proportional to 3,277,321.71, 4,916,692.31 and 1,255,565.79

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Solution

The fourth proportional to 3,277,321.71, 4,916,692.31 and 1,255,565.79 is: 1,883,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277,321.71 : 4,916,692.31 = 1,255,565.79 : x
  2. Step 2: Convert to fraction form
    3,277,321.71/4,916,692.31 = 1,255,565.79/x
  3. Step 3: Cross multiply
    3,277,321.71x = 4,916,692.31 × 1,255,565.79
  4. Step 4: Simplify right side
    3,277,321.71x = 6,173,230,644,286.05
  5. Step 5: Solve for x
    x = 6,173,230,644,286.05/3,277,321.71
  6. Step 6: Final answer
    x = 1,883,620.59

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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.