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Finding the Fourth Proportional to 482,768.24, 666,188.16 and 267,894.68

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Solution

The fourth proportional to 482,768.24, 666,188.16 and 267,894.68 is: 369,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,768.24 : 666,188.16 = 267,894.68 : x
  2. Step 2: Convert to fraction form
    482,768.24/666,188.16 = 267,894.68/x
  3. Step 3: Cross multiply
    482,768.24x = 666,188.16 × 267,894.68
  4. Step 4: Simplify right side
    482,768.24x = 178,468,263,942.99
  5. Step 5: Solve for x
    x = 178,468,263,942.99/482,768.24
  6. Step 6: Final answer
    x = 369,676.89

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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.