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Finding the Fourth Proportional to 1,472.41, 2,208.86 and 484.96

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Solution

The fourth proportional to 1,472.41, 2,208.86 and 484.96 is: 727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.41 : 2,208.86 = 484.96 : x
  2. Step 2: Convert to fraction form
    1,472.41/2,208.86 = 484.96/x
  3. Step 3: Cross multiply
    1,472.41x = 2,208.86 × 484.96
  4. Step 4: Simplify right side
    1,472.41x = 1,071,208.75
  5. Step 5: Solve for x
    x = 1,071,208.75/1,472.41
  6. Step 6: Final answer
    x = 727.52

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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.