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Finding the Fourth Proportional to 484,761.66, 667,487.43 and 483,361.98

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Solution

The fourth proportional to 484,761.66, 667,487.43 and 483,361.98 is: 665,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,761.66 : 667,487.43 = 483,361.98 : x
  2. Step 2: Convert to fraction form
    484,761.66/667,487.43 = 483,361.98/x
  3. Step 3: Cross multiply
    484,761.66x = 667,487.43 × 483,361.98
  4. Step 4: Simplify right side
    484,761.66x = 322,638,045,789.91
  5. Step 5: Solve for x
    x = 322,638,045,789.91/484,761.66
  6. Step 6: Final answer
    x = 665,560.16

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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.