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Finding the Fourth Proportional to 754,033.36, 1,040,808.80 and 482,832

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Solution

The fourth proportional to 754,033.36, 1,040,808.80 and 482,832 is: 666,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,033.36 : 1,040,808.80 = 482,832 : x
  2. Step 2: Convert to fraction form
    754,033.36/1,040,808.80 = 482,832/x
  3. Step 3: Cross multiply
    754,033.36x = 1,040,808.80 × 482,832
  4. Step 4: Simplify right side
    754,033.36x = 502,535,794,521.60
  5. Step 5: Solve for x
    x = 502,535,794,521.60/754,033.36
  6. Step 6: Final answer
    x = 666,463.61

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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.