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Finding the Fourth Proportional to 467,848, 645,591 and 276,827.92

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Solution

The fourth proportional to 467,848, 645,591 and 276,827.92 is: 381,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,848 : 645,591 = 276,827.92 : x
  2. Step 2: Convert to fraction form
    467,848/645,591 = 276,827.92/x
  3. Step 3: Cross multiply
    467,848x = 645,591 × 276,827.92
  4. Step 4: Simplify right side
    467,848x = 178,717,613,700.72
  5. Step 5: Solve for x
    x = 178,717,613,700.72/467,848
  6. Step 6: Final answer
    x = 381,999.31

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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.