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Finding the Fourth Proportional to 524,304.50, 784,765.04 and 271,236.48

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Solution

The fourth proportional to 524,304.50, 784,765.04 and 271,236.48 is: 405,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,304.50 : 784,765.04 = 271,236.48 : x
  2. Step 2: Convert to fraction form
    524,304.50/784,765.04 = 271,236.48/x
  3. Step 3: Cross multiply
    524,304.50x = 784,765.04 × 271,236.48
  4. Step 4: Simplify right side
    524,304.50x = 212,856,907,076.66
  5. Step 5: Solve for x
    x = 212,856,907,076.66/524,304.50
  6. Step 6: Final answer
    x = 405,979.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.