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Finding the Fourth Proportional to 404.74, 607.08 and 116.14

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Solution

The fourth proportional to 404.74, 607.08 and 116.14 is: 174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.74 : 607.08 = 116.14 : x
  2. Step 2: Convert to fraction form
    404.74/607.08 = 116.14/x
  3. Step 3: Cross multiply
    404.74x = 607.08 × 116.14
  4. Step 4: Simplify right side
    404.74x = 70,506.27
  5. Step 5: Solve for x
    x = 70,506.27/404.74
  6. Step 6: Final answer
    x = 174.20

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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.