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Finding the Fourth Proportional to 482,774.31, 666,228.92 and 267,914.54

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Solution

The fourth proportional to 482,774.31, 666,228.92 and 267,914.54 is: 369,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,774.31 : 666,228.92 = 267,914.54 : x
  2. Step 2: Convert to fraction form
    482,774.31/666,228.92 = 267,914.54/x
  3. Step 3: Cross multiply
    482,774.31x = 666,228.92 × 267,914.54
  4. Step 4: Simplify right side
    482,774.31x = 178,492,414,962.50
  5. Step 5: Solve for x
    x = 178,492,414,962.50/482,774.31
  6. Step 6: Final answer
    x = 369,722.27

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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.