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Finding the Fourth Proportional to 404.96, 607.38 and 116.36

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Solution

The fourth proportional to 404.96, 607.38 and 116.36 is: 174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.96 : 607.38 = 116.36 : x
  2. Step 2: Convert to fraction form
    404.96/607.38 = 116.36/x
  3. Step 3: Cross multiply
    404.96x = 607.38 × 116.36
  4. Step 4: Simplify right side
    404.96x = 70,672.64
  5. Step 5: Solve for x
    x = 70,672.64/404.96
  6. Step 6: Final answer
    x = 174.52

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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.