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Finding the Fourth Proportional to 1,467.81, 2,202.06 and 493.91

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Solution

The fourth proportional to 1,467.81, 2,202.06 and 493.91 is: 740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.81 : 2,202.06 = 493.91 : x
  2. Step 2: Convert to fraction form
    1,467.81/2,202.06 = 493.91/x
  3. Step 3: Cross multiply
    1,467.81x = 2,202.06 × 493.91
  4. Step 4: Simplify right side
    1,467.81x = 1,087,619.45
  5. Step 5: Solve for x
    x = 1,087,619.45/1,467.81
  6. Step 6: Final answer
    x = 740.98

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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.