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Finding the Fourth Proportional to 375.46, 518.16 and 264.96

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Solution

The fourth proportional to 375.46, 518.16 and 264.96 is: 365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.46 : 518.16 = 264.96 : x
  2. Step 2: Convert to fraction form
    375.46/518.16 = 264.96/x
  3. Step 3: Cross multiply
    375.46x = 518.16 × 264.96
  4. Step 4: Simplify right side
    375.46x = 137,291.67
  5. Step 5: Solve for x
    x = 137,291.67/375.46
  6. Step 6: Final answer
    x = 365.66

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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.