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Finding the Fourth Proportional to 226,469.70, 339,703.34 and 57,989.70

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Solution

The fourth proportional to 226,469.70, 339,703.34 and 57,989.70 is: 86,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,469.70 : 339,703.34 = 57,989.70 : x
  2. Step 2: Convert to fraction form
    226,469.70/339,703.34 = 57,989.70/x
  3. Step 3: Cross multiply
    226,469.70x = 339,703.34 × 57,989.70
  4. Step 4: Simplify right side
    226,469.70x = 19,699,294,485.65
  5. Step 5: Solve for x
    x = 19,699,294,485.65/226,469.70
  6. Step 6: Final answer
    x = 86,984.24

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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.