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Finding the Fourth Proportional to 496.14, 683.73 and 483.99

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Solution

The fourth proportional to 496.14, 683.73 and 483.99 is: 666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.14 : 683.73 = 483.99 : x
  2. Step 2: Convert to fraction form
    496.14/683.73 = 483.99/x
  3. Step 3: Cross multiply
    496.14x = 683.73 × 483.99
  4. Step 4: Simplify right side
    496.14x = 330,918.48
  5. Step 5: Solve for x
    x = 330,918.48/496.14
  6. Step 6: Final answer
    x = 666.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.