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Finding the Fourth Proportional to 464.31, 696.57 and 151.97

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Solution

The fourth proportional to 464.31, 696.57 and 151.97 is: 228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.31 : 696.57 = 151.97 : x
  2. Step 2: Convert to fraction form
    464.31/696.57 = 151.97/x
  3. Step 3: Cross multiply
    464.31x = 696.57 × 151.97
  4. Step 4: Simplify right side
    464.31x = 105,860.79
  5. Step 5: Solve for x
    x = 105,860.79/464.31
  6. Step 6: Final answer
    x = 228.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.