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Finding the Fourth Proportional to 632,431.21, 948,713.28 and 206,000.29

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Solution

The fourth proportional to 632,431.21, 948,713.28 and 206,000.29 is: 309,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,431.21 : 948,713.28 = 206,000.29 : x
  2. Step 2: Convert to fraction form
    632,431.21/948,713.28 = 206,000.29/x
  3. Step 3: Cross multiply
    632,431.21x = 948,713.28 × 206,000.29
  4. Step 4: Simplify right side
    632,431.21x = 195,435,209,776.85
  5. Step 5: Solve for x
    x = 195,435,209,776.85/632,431.21
  6. Step 6: Final answer
    x = 309,022.08

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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.