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Finding the Fourth Proportional to 3,320,339.08, 4,972,524.54 and 1,896,078.28

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Solution

The fourth proportional to 3,320,339.08, 4,972,524.54 and 1,896,078.28 is: 2,839,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,339.08 : 4,972,524.54 = 1,896,078.28 : x
  2. Step 2: Convert to fraction form
    3,320,339.08/4,972,524.54 = 1,896,078.28/x
  3. Step 3: Cross multiply
    3,320,339.08x = 4,972,524.54 × 1,896,078.28
  4. Step 4: Simplify right side
    3,320,339.08x = 9,428,295,777,060.99
  5. Step 5: Solve for x
    x = 9,428,295,777,060.99/3,320,339.08
  6. Step 6: Final answer
    x = 2,839,558.11

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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.