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Finding the Fourth Proportional to 1,352,864.22, 1,866,972.96 and 741,073.38

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Solution

The fourth proportional to 1,352,864.22, 1,866,972.96 and 741,073.38 is: 1,022,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,864.22 : 1,866,972.96 = 741,073.38 : x
  2. Step 2: Convert to fraction form
    1,352,864.22/1,866,972.96 = 741,073.38/x
  3. Step 3: Cross multiply
    1,352,864.22x = 1,866,972.96 × 741,073.38
  4. Step 4: Simplify right side
    1,352,864.22x = 1,383,563,961,835.80
  5. Step 5: Solve for x
    x = 1,383,563,961,835.80/1,352,864.22
  6. Step 6: Final answer
    x = 1,022,692.40

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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.