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Finding the Fourth Proportional to 470.96, 706.72 and 182.48

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Solution

The fourth proportional to 470.96, 706.72 and 182.48 is: 273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.96 : 706.72 = 182.48 : x
  2. Step 2: Convert to fraction form
    470.96/706.72 = 182.48/x
  3. Step 3: Cross multiply
    470.96x = 706.72 × 182.48
  4. Step 4: Simplify right side
    470.96x = 128,962.27
  5. Step 5: Solve for x
    x = 128,962.27/470.96
  6. Step 6: Final answer
    x = 273.83

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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.