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Finding the Fourth Proportional to 341.29, 470.94 and 201.50

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Solution

The fourth proportional to 341.29, 470.94 and 201.50 is: 278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.29 : 470.94 = 201.50 : x
  2. Step 2: Convert to fraction form
    341.29/470.94 = 201.50/x
  3. Step 3: Cross multiply
    341.29x = 470.94 × 201.50
  4. Step 4: Simplify right side
    341.29x = 94,894.41
  5. Step 5: Solve for x
    x = 94,894.41/341.29
  6. Step 6: Final answer
    x = 278.05

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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.