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Finding the Fourth Proportional to 264.77, 365.33 and 152.72

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Solution

The fourth proportional to 264.77, 365.33 and 152.72 is: 210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.77 : 365.33 = 152.72 : x
  2. Step 2: Convert to fraction form
    264.77/365.33 = 152.72/x
  3. Step 3: Cross multiply
    264.77x = 365.33 × 152.72
  4. Step 4: Simplify right side
    264.77x = 55,791.75
  5. Step 5: Solve for x
    x = 55,791.75/264.77
  6. Step 6: Final answer
    x = 210.72

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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.