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Finding the Fourth Proportional to 374.56, 516.58 and 264.06

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Solution

The fourth proportional to 374.56, 516.58 and 264.06 is: 364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.56 : 516.58 = 264.06 : x
  2. Step 2: Convert to fraction form
    374.56/516.58 = 264.06/x
  3. Step 3: Cross multiply
    374.56x = 516.58 × 264.06
  4. Step 4: Simplify right side
    374.56x = 136,407.45
  5. Step 5: Solve for x
    x = 136,407.45/374.56
  6. Step 6: Final answer
    x = 364.18

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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.