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Finding the Fourth Proportional to 1,664,936.42, 2,496,393.32 and 652,845.87

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Solution

The fourth proportional to 1,664,936.42, 2,496,393.32 and 652,845.87 is: 978,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,936.42 : 2,496,393.32 = 652,845.87 : x
  2. Step 2: Convert to fraction form
    1,664,936.42/2,496,393.32 = 652,845.87/x
  3. Step 3: Cross multiply
    1,664,936.42x = 2,496,393.32 × 652,845.87
  4. Step 4: Simplify right side
    1,664,936.42x = 1,629,760,065,593.36
  5. Step 5: Solve for x
    x = 1,629,760,065,593.36/1,664,936.42
  6. Step 6: Final answer
    x = 978,872.26

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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.