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Finding the Fourth Proportional to 605,647.47, 908,194.35 and 226,289.97

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Solution

The fourth proportional to 605,647.47, 908,194.35 and 226,289.97 is: 339,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,647.47 : 908,194.35 = 226,289.97 : x
  2. Step 2: Convert to fraction form
    605,647.47/908,194.35 = 226,289.97/x
  3. Step 3: Cross multiply
    605,647.47x = 908,194.35 × 226,289.97
  4. Step 4: Simplify right side
    605,647.47x = 205,515,272,215.67
  5. Step 5: Solve for x
    x = 205,515,272,215.67/605,647.47
  6. Step 6: Final answer
    x = 339,331.51

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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.