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Finding the Fourth Proportional to 1,462.56, 2,193.93 and 488.58

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Solution

The fourth proportional to 1,462.56, 2,193.93 and 488.58 is: 732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.56 : 2,193.93 = 488.58 : x
  2. Step 2: Convert to fraction form
    1,462.56/2,193.93 = 488.58/x
  3. Step 3: Cross multiply
    1,462.56x = 2,193.93 × 488.58
  4. Step 4: Simplify right side
    1,462.56x = 1,071,910.32
  5. Step 5: Solve for x
    x = 1,071,910.32/1,462.56
  6. Step 6: Final answer
    x = 732.90

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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.