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Finding the Fourth Proportional to 577,745.28, 866,093.02 and 262,029.96

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Solution

The fourth proportional to 577,745.28, 866,093.02 and 262,029.96 is: 392,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,745.28 : 866,093.02 = 262,029.96 : x
  2. Step 2: Convert to fraction form
    577,745.28/866,093.02 = 262,029.96/x
  3. Step 3: Cross multiply
    577,745.28x = 866,093.02 × 262,029.96
  4. Step 4: Simplify right side
    577,745.28x = 226,942,319,386.88
  5. Step 5: Solve for x
    x = 226,942,319,386.88/577,745.28
  6. Step 6: Final answer
    x = 392,806.88

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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.