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Finding the Fourth Proportional to 467,844, 645,585.48 and 276,823.92

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Solution

The fourth proportional to 467,844, 645,585.48 and 276,823.92 is: 381,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,844 : 645,585.48 = 276,823.92 : x
  2. Step 2: Convert to fraction form
    467,844/645,585.48 = 276,823.92/x
  3. Step 3: Cross multiply
    467,844x = 645,585.48 × 276,823.92
  4. Step 4: Simplify right side
    467,844x = 178,713,503,268.68
  5. Step 5: Solve for x
    x = 178,713,503,268.68/467,844
  6. Step 6: Final answer
    x = 381,993.79

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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.