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Finding the Fourth Proportional to 1,467.84, 2,201.29 and 493.71

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Solution

The fourth proportional to 1,467.84, 2,201.29 and 493.71 is: 740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.84 : 2,201.29 = 493.71 : x
  2. Step 2: Convert to fraction form
    1,467.84/2,201.29 = 493.71/x
  3. Step 3: Cross multiply
    1,467.84x = 2,201.29 × 493.71
  4. Step 4: Simplify right side
    1,467.84x = 1,086,785.41
  5. Step 5: Solve for x
    x = 1,086,785.41/1,467.84
  6. Step 6: Final answer
    x = 740.40

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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.