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Finding the Fourth Proportional to 1,462.14, 2,193.56 and 488.32

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Solution

The fourth proportional to 1,462.14, 2,193.56 and 488.32 is: 732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.14 : 2,193.56 = 488.32 : x
  2. Step 2: Convert to fraction form
    1,462.14/2,193.56 = 488.32/x
  3. Step 3: Cross multiply
    1,462.14x = 2,193.56 × 488.32
  4. Step 4: Simplify right side
    1,462.14x = 1,071,159.22
  5. Step 5: Solve for x
    x = 1,071,159.22/1,462.14
  6. Step 6: Final answer
    x = 732.60

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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.