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Finding the Fourth Proportional to 493,786.36, 740,562.90 and 227,380.60

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Solution

The fourth proportional to 493,786.36, 740,562.90 and 227,380.60 is: 341,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,786.36 : 740,562.90 = 227,380.60 : x
  2. Step 2: Convert to fraction form
    493,786.36/740,562.90 = 227,380.60/x
  3. Step 3: Cross multiply
    493,786.36x = 740,562.90 × 227,380.60
  4. Step 4: Simplify right side
    493,786.36x = 168,389,636,539.74
  5. Step 5: Solve for x
    x = 168,389,636,539.74/493,786.36
  6. Step 6: Final answer
    x = 341,017.19

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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.