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Finding the Fourth Proportional to 374.04, 516.06 and 269.16

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Solution

The fourth proportional to 374.04, 516.06 and 269.16 is: 371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.04 : 516.06 = 269.16 : x
  2. Step 2: Convert to fraction form
    374.04/516.06 = 269.16/x
  3. Step 3: Cross multiply
    374.04x = 516.06 × 269.16
  4. Step 4: Simplify right side
    374.04x = 138,902.71
  5. Step 5: Solve for x
    x = 138,902.71/374.04
  6. Step 6: Final answer
    x = 371.36

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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.