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Finding the Fourth Proportional to 1,204.26, 1,807.05 and 932.10

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Solution

The fourth proportional to 1,204.26, 1,807.05 and 932.10 is: 1,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.26 : 1,807.05 = 932.10 : x
  2. Step 2: Convert to fraction form
    1,204.26/1,807.05 = 932.10/x
  3. Step 3: Cross multiply
    1,204.26x = 1,807.05 × 932.10
  4. Step 4: Simplify right side
    1,204.26x = 1,684,351.31
  5. Step 5: Solve for x
    x = 1,684,351.31/1,204.26
  6. Step 6: Final answer
    x = 1,398.66

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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.