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Finding the Fourth Proportional to 577,469.24, 866,247.60 and 156,777.92

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Solution

The fourth proportional to 577,469.24, 866,247.60 and 156,777.92 is: 235,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,469.24 : 866,247.60 = 156,777.92 : x
  2. Step 2: Convert to fraction form
    577,469.24/866,247.60 = 156,777.92/x
  3. Step 3: Cross multiply
    577,469.24x = 866,247.60 × 156,777.92
  4. Step 4: Simplify right side
    577,469.24x = 135,808,496,932.99
  5. Step 5: Solve for x
    x = 135,808,496,932.99/577,469.24
  6. Step 6: Final answer
    x = 235,178.76

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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.