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Finding the Fourth Proportional to 1,231.88, 1,846.22 and 500.61

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Solution

The fourth proportional to 1,231.88, 1,846.22 and 500.61 is: 750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.88 : 1,846.22 = 500.61 : x
  2. Step 2: Convert to fraction form
    1,231.88/1,846.22 = 500.61/x
  3. Step 3: Cross multiply
    1,231.88x = 1,846.22 × 500.61
  4. Step 4: Simplify right side
    1,231.88x = 924,226.96
  5. Step 5: Solve for x
    x = 924,226.96/1,231.88
  6. Step 6: Final answer
    x = 750.26

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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.