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Finding the Fourth Proportional to 314,186.80, 470,761.80 and 267,530.80

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Solution

The fourth proportional to 314,186.80, 470,761.80 and 267,530.80 is: 400,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,186.80 : 470,761.80 = 267,530.80 : x
  2. Step 2: Convert to fraction form
    314,186.80/470,761.80 = 267,530.80/x
  3. Step 3: Cross multiply
    314,186.80x = 470,761.80 × 267,530.80
  4. Step 4: Simplify right side
    314,186.80x = 125,943,280,963.44
  5. Step 5: Solve for x
    x = 125,943,280,963.44/314,186.80
  6. Step 6: Final answer
    x = 400,854.78

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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.