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Finding the Fourth Proportional to 1,664,910.52, 2,297,576.52 and 900,964.08

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Solution

The fourth proportional to 1,664,910.52, 2,297,576.52 and 900,964.08 is: 1,243,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,910.52 : 2,297,576.52 = 900,964.08 : x
  2. Step 2: Convert to fraction form
    1,664,910.52/2,297,576.52 = 900,964.08/x
  3. Step 3: Cross multiply
    1,664,910.52x = 2,297,576.52 × 900,964.08
  4. Step 4: Simplify right side
    1,664,910.52x = 2,070,033,915,571.40
  5. Step 5: Solve for x
    x = 2,070,033,915,571.40/1,664,910.52
  6. Step 6: Final answer
    x = 1,243,330.43

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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.