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Finding the Fourth Proportional to 384,860.43, 530,761.21 and 248,751.27

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Solution

The fourth proportional to 384,860.43, 530,761.21 and 248,751.27 is: 343,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,860.43 : 530,761.21 = 248,751.27 : x
  2. Step 2: Convert to fraction form
    384,860.43/530,761.21 = 248,751.27/x
  3. Step 3: Cross multiply
    384,860.43x = 530,761.21 × 248,751.27
  4. Step 4: Simplify right side
    384,860.43x = 132,027,524,432.36
  5. Step 5: Solve for x
    x = 132,027,524,432.36/384,860.43
  6. Step 6: Final answer
    x = 343,053.00

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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.