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Finding the Fourth Proportional to 493,731.46, 740,037.12 and 226,940.68

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Solution

The fourth proportional to 493,731.46, 740,037.12 and 226,940.68 is: 340,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,731.46 : 740,037.12 = 226,940.68 : x
  2. Step 2: Convert to fraction form
    493,731.46/740,037.12 = 226,940.68/x
  3. Step 3: Cross multiply
    493,731.46x = 740,037.12 × 226,940.68
  4. Step 4: Simplify right side
    493,731.46x = 167,944,527,238.04
  5. Step 5: Solve for x
    x = 167,944,527,238.04/493,731.46
  6. Step 6: Final answer
    x = 340,153.59

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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.