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Finding the Fourth Proportional to 374, 516.16 and 236

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Solution

The fourth proportional to 374, 516.16 and 236 is: 325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374 : 516.16 = 236 : x
  2. Step 2: Convert to fraction form
    374/516.16 = 236/x
  3. Step 3: Cross multiply
    374x = 516.16 × 236
  4. Step 4: Simplify right side
    374x = 121,813.76
  5. Step 5: Solve for x
    x = 121,813.76/374
  6. Step 6: Final answer
    x = 325.71

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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.