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Finding the Fourth Proportional to 336.24, 464.04 and 188.86

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Solution

The fourth proportional to 336.24, 464.04 and 188.86 is: 260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 464.04 = 188.86 : x
  2. Step 2: Convert to fraction form
    336.24/464.04 = 188.86/x
  3. Step 3: Cross multiply
    336.24x = 464.04 × 188.86
  4. Step 4: Simplify right side
    336.24x = 87,638.59
  5. Step 5: Solve for x
    x = 87,638.59/336.24
  6. Step 6: Final answer
    x = 260.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.