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Finding the Fourth Proportional to 1,222,932.48, 1,836,843.36 and 737,584.80

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Solution

The fourth proportional to 1,222,932.48, 1,836,843.36 and 737,584.80 is: 1,107,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,932.48 : 1,836,843.36 = 737,584.80 : x
  2. Step 2: Convert to fraction form
    1,222,932.48/1,836,843.36 = 737,584.80/x
  3. Step 3: Cross multiply
    1,222,932.48x = 1,836,843.36 × 737,584.80
  4. Step 4: Simplify right side
    1,222,932.48x = 1,354,827,742,316.93
  5. Step 5: Solve for x
    x = 1,354,827,742,316.93/1,222,932.48
  6. Step 6: Final answer
    x = 1,107,851.63

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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.