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Finding the Fourth Proportional to 506.44, 760.38 and 469.96

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Solution

The fourth proportional to 506.44, 760.38 and 469.96 is: 705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.44 : 760.38 = 469.96 : x
  2. Step 2: Convert to fraction form
    506.44/760.38 = 469.96/x
  3. Step 3: Cross multiply
    506.44x = 760.38 × 469.96
  4. Step 4: Simplify right side
    506.44x = 357,348.18
  5. Step 5: Solve for x
    x = 357,348.18/506.44
  6. Step 6: Final answer
    x = 705.61

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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.