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Finding the Fourth Proportional to 554,443.26, 765,132.03 and 299,794.38

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Solution

The fourth proportional to 554,443.26, 765,132.03 and 299,794.38 is: 413,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,443.26 : 765,132.03 = 299,794.38 : x
  2. Step 2: Convert to fraction form
    554,443.26/765,132.03 = 299,794.38/x
  3. Step 3: Cross multiply
    554,443.26x = 765,132.03 × 299,794.38
  4. Step 4: Simplify right side
    554,443.26x = 229,382,282,551.99
  5. Step 5: Solve for x
    x = 229,382,282,551.99/554,443.26
  6. Step 6: Final answer
    x = 413,716.42

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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.