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Finding the Fourth Proportional to 464.90, 696.53 and 291.96

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Solution

The fourth proportional to 464.90, 696.53 and 291.96 is: 437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.90 : 696.53 = 291.96 : x
  2. Step 2: Convert to fraction form
    464.90/696.53 = 291.96/x
  3. Step 3: Cross multiply
    464.90x = 696.53 × 291.96
  4. Step 4: Simplify right side
    464.90x = 203,359.63
  5. Step 5: Solve for x
    x = 203,359.63/464.90
  6. Step 6: Final answer
    x = 437.43

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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.