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Finding the Fourth Proportional to 374.04, 516.41 and 263.76

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Solution

The fourth proportional to 374.04, 516.41 and 263.76 is: 364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.04 : 516.41 = 263.76 : x
  2. Step 2: Convert to fraction form
    374.04/516.41 = 263.76/x
  3. Step 3: Cross multiply
    374.04x = 516.41 × 263.76
  4. Step 4: Simplify right side
    374.04x = 136,206.98
  5. Step 5: Solve for x
    x = 136,206.98/374.04
  6. Step 6: Final answer
    x = 364.15

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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.