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Finding the Fourth Proportional to 458,091.11, 632,169.55 and 254,155.41

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Solution

The fourth proportional to 458,091.11, 632,169.55 and 254,155.41 is: 350,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,091.11 : 632,169.55 = 254,155.41 : x
  2. Step 2: Convert to fraction form
    458,091.11/632,169.55 = 254,155.41/x
  3. Step 3: Cross multiply
    458,091.11x = 632,169.55 × 254,155.41
  4. Step 4: Simplify right side
    458,091.11x = 160,669,311,487.46
  5. Step 5: Solve for x
    x = 160,669,311,487.46/458,091.11
  6. Step 6: Final answer
    x = 350,736.58

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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.