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Finding the Fourth Proportional to 566,199.72, 781,381.31 and 351,408.96

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Solution

The fourth proportional to 566,199.72, 781,381.31 and 351,408.96 is: 484,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,199.72 : 781,381.31 = 351,408.96 : x
  2. Step 2: Convert to fraction form
    566,199.72/781,381.31 = 351,408.96/x
  3. Step 3: Cross multiply
    566,199.72x = 781,381.31 × 351,408.96
  4. Step 4: Simplify right side
    566,199.72x = 274,584,391,753.49
  5. Step 5: Solve for x
    x = 274,584,391,753.49/566,199.72
  6. Step 6: Final answer
    x = 484,960.31

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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.