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Finding the Fourth Proportional to 451,225.92, 622,670.40 and 270,037.54

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Solution

The fourth proportional to 451,225.92, 622,670.40 and 270,037.54 is: 372,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,225.92 : 622,670.40 = 270,037.54 : x
  2. Step 2: Convert to fraction form
    451,225.92/622,670.40 = 270,037.54/x
  3. Step 3: Cross multiply
    451,225.92x = 622,670.40 × 270,037.54
  4. Step 4: Simplify right side
    451,225.92x = 168,144,383,046.82
  5. Step 5: Solve for x
    x = 168,144,383,046.82/451,225.92
  6. Step 6: Final answer
    x = 372,639.02

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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.