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Finding the Fourth Proportional to 262,324.76, 393,486.78 and 104,663.94

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Solution

The fourth proportional to 262,324.76, 393,486.78 and 104,663.94 is: 156,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,324.76 : 393,486.78 = 104,663.94 : x
  2. Step 2: Convert to fraction form
    262,324.76/393,486.78 = 104,663.94/x
  3. Step 3: Cross multiply
    262,324.76x = 393,486.78 × 104,663.94
  4. Step 4: Simplify right side
    262,324.76x = 41,183,876,732.71
  5. Step 5: Solve for x
    x = 41,183,876,732.71/262,324.76
  6. Step 6: Final answer
    x = 156,995.77

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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.