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Finding the Fourth Proportional to 1,449.63, 2,174.52 and 462.37

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Solution

The fourth proportional to 1,449.63, 2,174.52 and 462.37 is: 693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.63 : 2,174.52 = 462.37 : x
  2. Step 2: Convert to fraction form
    1,449.63/2,174.52 = 462.37/x
  3. Step 3: Cross multiply
    1,449.63x = 2,174.52 × 462.37
  4. Step 4: Simplify right side
    1,449.63x = 1,005,432.81
  5. Step 5: Solve for x
    x = 1,005,432.81/1,449.63
  6. Step 6: Final answer
    x = 693.58

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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.