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Finding the Fourth Proportional to 262,360, 393,606.44 and 75,371.52

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Solution

The fourth proportional to 262,360, 393,606.44 and 75,371.52 is: 113,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,360 : 393,606.44 = 75,371.52 : x
  2. Step 2: Convert to fraction form
    262,360/393,606.44 = 75,371.52/x
  3. Step 3: Cross multiply
    262,360x = 393,606.44 × 75,371.52
  4. Step 4: Simplify right side
    262,360x = 29,666,715,664.59
  5. Step 5: Solve for x
    x = 29,666,715,664.59/262,360
  6. Step 6: Final answer
    x = 113,076.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.