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Finding the Fourth Proportional to 576,076.24, 864,555.41 and 260,754.58

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Solution

The fourth proportional to 576,076.24, 864,555.41 and 260,754.58 is: 391,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,076.24 : 864,555.41 = 260,754.58 : x
  2. Step 2: Convert to fraction form
    576,076.24/864,555.41 = 260,754.58/x
  3. Step 3: Cross multiply
    576,076.24x = 864,555.41 × 260,754.58
  4. Step 4: Simplify right side
    576,076.24x = 225,436,782,821.28
  5. Step 5: Solve for x
    x = 225,436,782,821.28/576,076.24
  6. Step 6: Final answer
    x = 391,331.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.