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Finding the Fourth Proportional to 264.04, 396.08 and 155.60

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Solution

The fourth proportional to 264.04, 396.08 and 155.60 is: 233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.04 : 396.08 = 155.60 : x
  2. Step 2: Convert to fraction form
    264.04/396.08 = 155.60/x
  3. Step 3: Cross multiply
    264.04x = 396.08 × 155.60
  4. Step 4: Simplify right side
    264.04x = 61,631.59
  5. Step 5: Solve for x
    x = 61,631.59/264.04
  6. Step 6: Final answer
    x = 233.41

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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.