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Finding the Fourth Proportional to 405,448.54, 559,517.59 and 226,600.54

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Solution

The fourth proportional to 405,448.54, 559,517.59 and 226,600.54 is: 312,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,448.54 : 559,517.59 = 226,600.54 : x
  2. Step 2: Convert to fraction form
    405,448.54/559,517.59 = 226,600.54/x
  3. Step 3: Cross multiply
    405,448.54x = 559,517.59 × 226,600.54
  4. Step 4: Simplify right side
    405,448.54x = 126,786,988,033.50
  5. Step 5: Solve for x
    x = 126,786,988,033.50/405,448.54
  6. Step 6: Final answer
    x = 312,707.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.