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Finding the Fourth Proportional to 404.76, 607.06 and 116.13

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Solution

The fourth proportional to 404.76, 607.06 and 116.13 is: 174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.76 : 607.06 = 116.13 : x
  2. Step 2: Convert to fraction form
    404.76/607.06 = 116.13/x
  3. Step 3: Cross multiply
    404.76x = 607.06 × 116.13
  4. Step 4: Simplify right side
    404.76x = 70,497.88
  5. Step 5: Solve for x
    x = 70,497.88/404.76
  6. Step 6: Final answer
    x = 174.17

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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.