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Finding the Fourth Proportional to 226,386.70, 339,578.80 and 57,906.77

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Solution

The fourth proportional to 226,386.70, 339,578.80 and 57,906.77 is: 86,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,386.70 : 339,578.80 = 57,906.77 : x
  2. Step 2: Convert to fraction form
    226,386.70/339,578.80 = 57,906.77/x
  3. Step 3: Cross multiply
    226,386.70x = 339,578.80 × 57,906.77
  4. Step 4: Simplify right side
    226,386.70x = 19,663,909,625.82
  5. Step 5: Solve for x
    x = 19,663,909,625.82/226,386.70
  6. Step 6: Final answer
    x = 86,859.83

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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.