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Finding the Fourth Proportional to 465.24, 697.92 and 176.64

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Solution

The fourth proportional to 465.24, 697.92 and 176.64 is: 264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.24 : 697.92 = 176.64 : x
  2. Step 2: Convert to fraction form
    465.24/697.92 = 176.64/x
  3. Step 3: Cross multiply
    465.24x = 697.92 × 176.64
  4. Step 4: Simplify right side
    465.24x = 123,280.59
  5. Step 5: Solve for x
    x = 123,280.59/465.24
  6. Step 6: Final answer
    x = 264.98

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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.