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Finding the Fourth Proportional to 1,892,648.84, 2,612,791.89 and 1,167,895.67

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Solution

The fourth proportional to 1,892,648.84, 2,612,791.89 and 1,167,895.67 is: 1,612,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,648.84 : 2,612,791.89 = 1,167,895.67 : x
  2. Step 2: Convert to fraction form
    1,892,648.84/2,612,791.89 = 1,167,895.67/x
  3. Step 3: Cross multiply
    1,892,648.84x = 2,612,791.89 × 1,167,895.67
  4. Step 4: Simplify right side
    1,892,648.84x = 3,051,468,321,878.16
  5. Step 5: Solve for x
    x = 3,051,468,321,878.16/1,892,648.84
  6. Step 6: Final answer
    x = 1,612,273.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.