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Finding the Fourth Proportional to 465.02, 696.48 and 361.48

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Solution

The fourth proportional to 465.02, 696.48 and 361.48 is: 541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.02 : 696.48 = 361.48 : x
  2. Step 2: Convert to fraction form
    465.02/696.48 = 361.48/x
  3. Step 3: Cross multiply
    465.02x = 696.48 × 361.48
  4. Step 4: Simplify right side
    465.02x = 251,763.59
  5. Step 5: Solve for x
    x = 251,763.59/465.02
  6. Step 6: Final answer
    x = 541.40

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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.