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Finding the Fourth Proportional to 1,474.41, 2,212.02 and 500.61

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Solution

The fourth proportional to 1,474.41, 2,212.02 and 500.61 is: 751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.41 : 2,212.02 = 500.61 : x
  2. Step 2: Convert to fraction form
    1,474.41/2,212.02 = 500.61/x
  3. Step 3: Cross multiply
    1,474.41x = 2,212.02 × 500.61
  4. Step 4: Simplify right side
    1,474.41x = 1,107,359.33
  5. Step 5: Solve for x
    x = 1,107,359.33/1,474.41
  6. Step 6: Final answer
    x = 751.05

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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.