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Finding the Fourth Proportional to 360.83, 497.76 and 229.70

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Solution

The fourth proportional to 360.83, 497.76 and 229.70 is: 316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.83 : 497.76 = 229.70 : x
  2. Step 2: Convert to fraction form
    360.83/497.76 = 229.70/x
  3. Step 3: Cross multiply
    360.83x = 497.76 × 229.70
  4. Step 4: Simplify right side
    360.83x = 114,335.47
  5. Step 5: Solve for x
    x = 114,335.47/360.83
  6. Step 6: Final answer
    x = 316.87

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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.