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Finding the Fourth Proportional to 554,469.57, 765,167.46 and 299,820.15

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Solution

The fourth proportional to 554,469.57, 765,167.46 and 299,820.15 is: 413,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,469.57 : 765,167.46 = 299,820.15 : x
  2. Step 2: Convert to fraction form
    554,469.57/765,167.46 = 299,820.15/x
  3. Step 3: Cross multiply
    554,469.57x = 765,167.46 × 299,820.15
  4. Step 4: Simplify right side
    554,469.57x = 229,412,622,632.32
  5. Step 5: Solve for x
    x = 229,412,622,632.32/554,469.57
  6. Step 6: Final answer
    x = 413,751.51

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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.