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Finding the Fourth Proportional to 470.90, 705.92 and 182.12

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Solution

The fourth proportional to 470.90, 705.92 and 182.12 is: 273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.90 : 705.92 = 182.12 : x
  2. Step 2: Convert to fraction form
    470.90/705.92 = 182.12/x
  3. Step 3: Cross multiply
    470.90x = 705.92 × 182.12
  4. Step 4: Simplify right side
    470.90x = 128,562.15
  5. Step 5: Solve for x
    x = 128,562.15/470.90
  6. Step 6: Final answer
    x = 273.01

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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.