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Finding the Fourth Proportional to 466,512.78, 643,737.87 and 262,574.22

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Solution

The fourth proportional to 466,512.78, 643,737.87 and 262,574.22 is: 362,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,512.78 : 643,737.87 = 262,574.22 : x
  2. Step 2: Convert to fraction form
    466,512.78/643,737.87 = 262,574.22/x
  3. Step 3: Cross multiply
    466,512.78x = 643,737.87 × 262,574.22
  4. Step 4: Simplify right side
    466,512.78x = 169,028,969,099.71
  5. Step 5: Solve for x
    x = 169,028,969,099.71/466,512.78
  6. Step 6: Final answer
    x = 362,324.41

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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.