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Finding the Fourth Proportional to 471,318.62, 650,430.81 and 267,383.30

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Solution

The fourth proportional to 471,318.62, 650,430.81 and 267,383.30 is: 368,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,318.62 : 650,430.81 = 267,383.30 : x
  2. Step 2: Convert to fraction form
    471,318.62/650,430.81 = 267,383.30/x
  3. Step 3: Cross multiply
    471,318.62x = 650,430.81 × 267,383.30
  4. Step 4: Simplify right side
    471,318.62x = 173,914,333,147.32
  5. Step 5: Solve for x
    x = 173,914,333,147.32/471,318.62
  6. Step 6: Final answer
    x = 368,995.26

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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.