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Finding the Fourth Proportional to 554,443.27, 765,132.26 and 299,794.39

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Solution

The fourth proportional to 554,443.27, 765,132.26 and 299,794.39 is: 413,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,443.27 : 765,132.26 = 299,794.39 : x
  2. Step 2: Convert to fraction form
    554,443.27/765,132.26 = 299,794.39/x
  3. Step 3: Cross multiply
    554,443.27x = 765,132.26 × 299,794.39
  4. Step 4: Simplify right side
    554,443.27x = 229,382,357,657.05
  5. Step 5: Solve for x
    x = 229,382,357,657.05/554,443.27
  6. Step 6: Final answer
    x = 413,716.55

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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.