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Finding the Fourth Proportional to 479,617.57, 661,876.83 and 264,753.01

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Solution

The fourth proportional to 479,617.57, 661,876.83 and 264,753.01 is: 365,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,617.57 : 661,876.83 = 264,753.01 : x
  2. Step 2: Convert to fraction form
    479,617.57/661,876.83 = 264,753.01/x
  3. Step 3: Cross multiply
    479,617.57x = 661,876.83 × 264,753.01
  4. Step 4: Simplify right side
    479,617.57x = 175,233,882,991.76
  5. Step 5: Solve for x
    x = 175,233,882,991.76/479,617.57
  6. Step 6: Final answer
    x = 365,361.68

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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.