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Finding the Fourth Proportional to 460.10, 689.89 and 151.87

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Solution

The fourth proportional to 460.10, 689.89 and 151.87 is: 227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.10 : 689.89 = 151.87 : x
  2. Step 2: Convert to fraction form
    460.10/689.89 = 151.87/x
  3. Step 3: Cross multiply
    460.10x = 689.89 × 151.87
  4. Step 4: Simplify right side
    460.10x = 104,769.39
  5. Step 5: Solve for x
    x = 104,769.39/460.10
  6. Step 6: Final answer
    x = 227.71

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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.