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Finding the Fourth Proportional to 476.86, 715.41 and 184.37

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Solution

The fourth proportional to 476.86, 715.41 and 184.37 is: 276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.86 : 715.41 = 184.37 : x
  2. Step 2: Convert to fraction form
    476.86/715.41 = 184.37/x
  3. Step 3: Cross multiply
    476.86x = 715.41 × 184.37
  4. Step 4: Simplify right side
    476.86x = 131,896.16
  5. Step 5: Solve for x
    x = 131,896.16/476.86
  6. Step 6: Final answer
    x = 276.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.