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Finding the Fourth Proportional to 464.74, 696.34 and 361.77

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Solution

The fourth proportional to 464.74, 696.34 and 361.77 is: 542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.74 : 696.34 = 361.77 : x
  2. Step 2: Convert to fraction form
    464.74/696.34 = 361.77/x
  3. Step 3: Cross multiply
    464.74x = 696.34 × 361.77
  4. Step 4: Simplify right side
    464.74x = 251,914.92
  5. Step 5: Solve for x
    x = 251,914.92/464.74
  6. Step 6: Final answer
    x = 542.06

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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.