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Finding the Fourth Proportional to 565,753.52, 781,108.44 and 351,208.82

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Solution

The fourth proportional to 565,753.52, 781,108.44 and 351,208.82 is: 484,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,753.52 : 781,108.44 = 351,208.82 : x
  2. Step 2: Convert to fraction form
    565,753.52/781,108.44 = 351,208.82/x
  3. Step 3: Cross multiply
    565,753.52x = 781,108.44 × 351,208.82
  4. Step 4: Simplify right side
    565,753.52x = 274,332,173,504.44
  5. Step 5: Solve for x
    x = 274,332,173,504.44/565,753.52
  6. Step 6: Final answer
    x = 484,896.98

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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.