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Finding the Fourth Proportional to 541,987.17, 747,912.83 and 300,255.33

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Solution

The fourth proportional to 541,987.17, 747,912.83 and 300,255.33 is: 414,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,987.17 : 747,912.83 = 300,255.33 : x
  2. Step 2: Convert to fraction form
    541,987.17/747,912.83 = 300,255.33/x
  3. Step 3: Cross multiply
    541,987.17x = 747,912.83 × 300,255.33
  4. Step 4: Simplify right side
    541,987.17x = 224,564,814,333.52
  5. Step 5: Solve for x
    x = 224,564,814,333.52/541,987.17
  6. Step 6: Final answer
    x = 414,336.03

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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.