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Finding the Fourth Proportional to 555,894.72, 834,957.96 and 331,692.72

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Solution

The fourth proportional to 555,894.72, 834,957.96 and 331,692.72 is: 498,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,894.72 : 834,957.96 = 331,692.72 : x
  2. Step 2: Convert to fraction form
    555,894.72/834,957.96 = 331,692.72/x
  3. Step 3: Cross multiply
    555,894.72x = 834,957.96 × 331,692.72
  4. Step 4: Simplify right side
    555,894.72x = 276,949,476,838.05
  5. Step 5: Solve for x
    x = 276,949,476,838.05/555,894.72
  6. Step 6: Final answer
    x = 498,204.91

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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.