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Finding the Fourth Proportional to 488.32, 732.36 and 228.08

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Solution

The fourth proportional to 488.32, 732.36 and 228.08 is: 342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.32 : 732.36 = 228.08 : x
  2. Step 2: Convert to fraction form
    488.32/732.36 = 228.08/x
  3. Step 3: Cross multiply
    488.32x = 732.36 × 228.08
  4. Step 4: Simplify right side
    488.32x = 167,036.67
  5. Step 5: Solve for x
    x = 167,036.67/488.32
  6. Step 6: Final answer
    x = 342.06

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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.