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Finding the Fourth Proportional to 1,467.45, 2,201.36 and 479.93

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Solution

The fourth proportional to 1,467.45, 2,201.36 and 479.93 is: 719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.45 : 2,201.36 = 479.93 : x
  2. Step 2: Convert to fraction form
    1,467.45/2,201.36 = 479.93/x
  3. Step 3: Cross multiply
    1,467.45x = 2,201.36 × 479.93
  4. Step 4: Simplify right side
    1,467.45x = 1,056,485.30
  5. Step 5: Solve for x
    x = 1,056,485.30/1,467.45
  6. Step 6: Final answer
    x = 719.95

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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.