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Finding the Fourth Proportional to 479.32, 660.54 and 341.08

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Solution

The fourth proportional to 479.32, 660.54 and 341.08 is: 470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.32 : 660.54 = 341.08 : x
  2. Step 2: Convert to fraction form
    479.32/660.54 = 341.08/x
  3. Step 3: Cross multiply
    479.32x = 660.54 × 341.08
  4. Step 4: Simplify right side
    479.32x = 225,296.98
  5. Step 5: Solve for x
    x = 225,296.98/479.32
  6. Step 6: Final answer
    x = 470.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.