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Finding the Fourth Proportional to 451,281.96, 622,747.74 and 270,093.72

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Solution

The fourth proportional to 451,281.96, 622,747.74 and 270,093.72 is: 372,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,281.96 : 622,747.74 = 270,093.72 : x
  2. Step 2: Convert to fraction form
    451,281.96/622,747.74 = 270,093.72/x
  3. Step 3: Cross multiply
    451,281.96x = 622,747.74 × 270,093.72
  4. Step 4: Simplify right side
    451,281.96x = 168,200,253,718.19
  5. Step 5: Solve for x
    x = 168,200,253,718.19/451,281.96
  6. Step 6: Final answer
    x = 372,716.55

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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.