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Finding the Fourth Proportional to 464.02, 696.60 and 361.18

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Solution

The fourth proportional to 464.02, 696.60 and 361.18 is: 542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.02 : 696.60 = 361.18 : x
  2. Step 2: Convert to fraction form
    464.02/696.60 = 361.18/x
  3. Step 3: Cross multiply
    464.02x = 696.60 × 361.18
  4. Step 4: Simplify right side
    464.02x = 251,597.99
  5. Step 5: Solve for x
    x = 251,597.99/464.02
  6. Step 6: Final answer
    x = 542.21

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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.