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Finding the Fourth Proportional to 493,495.20, 740,026.80 and 227,167.20

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Solution

The fourth proportional to 493,495.20, 740,026.80 and 227,167.20 is: 340,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,495.20 : 740,026.80 = 227,167.20 : x
  2. Step 2: Convert to fraction form
    493,495.20/740,026.80 = 227,167.20/x
  3. Step 3: Cross multiply
    493,495.20x = 740,026.80 × 227,167.20
  4. Step 4: Simplify right side
    493,495.20x = 168,109,816,080.96
  5. Step 5: Solve for x
    x = 168,109,816,080.96/493,495.20
  6. Step 6: Final answer
    x = 340,651.37

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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.