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Finding the Fourth Proportional to 453,960.32, 679,281.60 and 267,059.84

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Solution

The fourth proportional to 453,960.32, 679,281.60 and 267,059.84 is: 399,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,960.32 : 679,281.60 = 267,059.84 : x
  2. Step 2: Convert to fraction form
    453,960.32/679,281.60 = 267,059.84/x
  3. Step 3: Cross multiply
    453,960.32x = 679,281.60 × 267,059.84
  4. Step 4: Simplify right side
    453,960.32x = 181,408,835,410.94
  5. Step 5: Solve for x
    x = 181,408,835,410.94/453,960.32
  6. Step 6: Final answer
    x = 399,613.86

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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.