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Finding the Fourth Proportional to 463,660.77, 639,916.29 and 335,015.37

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Solution

The fourth proportional to 463,660.77, 639,916.29 and 335,015.37 is: 462,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,660.77 : 639,916.29 = 335,015.37 : x
  2. Step 2: Convert to fraction form
    463,660.77/639,916.29 = 335,015.37/x
  3. Step 3: Cross multiply
    463,660.77x = 639,916.29 × 335,015.37
  4. Step 4: Simplify right side
    463,660.77x = 214,381,792,663.38
  5. Step 5: Solve for x
    x = 214,381,792,663.38/463,660.77
  6. Step 6: Final answer
    x = 462,367.76

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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.