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Finding the Fourth Proportional to 465.24, 697.70 and 176.60

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Solution

The fourth proportional to 465.24, 697.70 and 176.60 is: 264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.24 : 697.70 = 176.60 : x
  2. Step 2: Convert to fraction form
    465.24/697.70 = 176.60/x
  3. Step 3: Cross multiply
    465.24x = 697.70 × 176.60
  4. Step 4: Simplify right side
    465.24x = 123,213.82
  5. Step 5: Solve for x
    x = 123,213.82/465.24
  6. Step 6: Final answer
    x = 264.84

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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.