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Finding the Fourth Proportional to 470.32, 705.06 and 227.08

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Solution

The fourth proportional to 470.32, 705.06 and 227.08 is: 340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.32 : 705.06 = 227.08 : x
  2. Step 2: Convert to fraction form
    470.32/705.06 = 227.08/x
  3. Step 3: Cross multiply
    470.32x = 705.06 × 227.08
  4. Step 4: Simplify right side
    470.32x = 160,105.02
  5. Step 5: Solve for x
    x = 160,105.02/470.32
  6. Step 6: Final answer
    x = 340.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.