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Finding the Fourth Proportional to 1,569,950.82, 2,166,505.92 and 881,629.02

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Solution

The fourth proportional to 1,569,950.82, 2,166,505.92 and 881,629.02 is: 1,216,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,950.82 : 2,166,505.92 = 881,629.02 : x
  2. Step 2: Convert to fraction form
    1,569,950.82/2,166,505.92 = 881,629.02/x
  3. Step 3: Cross multiply
    1,569,950.82x = 2,166,505.92 × 881,629.02
  4. Step 4: Simplify right side
    1,569,950.82x = 1,910,054,491,073.80
  5. Step 5: Solve for x
    x = 1,910,054,491,073.80/1,569,950.82
  6. Step 6: Final answer
    x = 1,216,633.33

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Why These Related Problems?

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