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Finding the Fourth Proportional to 341.76, 471.60 and 186.52

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Solution

The fourth proportional to 341.76, 471.60 and 186.52 is: 257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.76 : 471.60 = 186.52 : x
  2. Step 2: Convert to fraction form
    341.76/471.60 = 186.52/x
  3. Step 3: Cross multiply
    341.76x = 471.60 × 186.52
  4. Step 4: Simplify right side
    341.76x = 87,962.83
  5. Step 5: Solve for x
    x = 87,962.83/341.76
  6. Step 6: Final answer
    x = 257.38

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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.