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Finding the Fourth Proportional to 1,226,849.80, 1,840,274.70 and 848,936.20

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Solution

The fourth proportional to 1,226,849.80, 1,840,274.70 and 848,936.20 is: 1,273,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,849.80 : 1,840,274.70 = 848,936.20 : x
  2. Step 2: Convert to fraction form
    1,226,849.80/1,840,274.70 = 848,936.20/x
  3. Step 3: Cross multiply
    1,226,849.80x = 1,840,274.70 × 848,936.20
  4. Step 4: Simplify right side
    1,226,849.80x = 1,562,275,810,774.14
  5. Step 5: Solve for x
    x = 1,562,275,810,774.14/1,226,849.80
  6. Step 6: Final answer
    x = 1,273,404.30

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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.