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Finding the Fourth Proportional to 226,477.60, 339,748.44 and 76,760.56

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Solution

The fourth proportional to 226,477.60, 339,748.44 and 76,760.56 is: 115,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,477.60 : 339,748.44 = 76,760.56 : x
  2. Step 2: Convert to fraction form
    226,477.60/339,748.44 = 76,760.56/x
  3. Step 3: Cross multiply
    226,477.60x = 339,748.44 × 76,760.56
  4. Step 4: Simplify right side
    226,477.60x = 26,079,280,513.53
  5. Step 5: Solve for x
    x = 26,079,280,513.53/226,477.60
  6. Step 6: Final answer
    x = 115,151.70

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1.5x scale

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.