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Finding the Fourth Proportional to 467,883.84, 645,668.91 and 276,900.42

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Solution

The fourth proportional to 467,883.84, 645,668.91 and 276,900.42 is: 382,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,883.84 : 645,668.91 = 276,900.42 : x
  2. Step 2: Convert to fraction form
    467,883.84/645,668.91 = 276,900.42/x
  3. Step 3: Cross multiply
    467,883.84x = 645,668.91 × 276,900.42
  4. Step 4: Simplify right side
    467,883.84x = 178,785,992,359.94
  5. Step 5: Solve for x
    x = 178,785,992,359.94/467,883.84
  6. Step 6: Final answer
    x = 382,116.19

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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.