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Finding the Fourth Proportional to 554,951.25, 765,833.41 and 300,302.44

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Solution

The fourth proportional to 554,951.25, 765,833.41 and 300,302.44 is: 414,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,951.25 : 765,833.41 = 300,302.44 : x
  2. Step 2: Convert to fraction form
    554,951.25/765,833.41 = 300,302.44/x
  3. Step 3: Cross multiply
    554,951.25x = 765,833.41 × 300,302.44
  4. Step 4: Simplify right side
    554,951.25x = 229,981,639,272.71
  5. Step 5: Solve for x
    x = 229,981,639,272.71/554,951.25
  6. Step 6: Final answer
    x = 414,417.73

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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.