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Finding the Fourth Proportional to 310, 464 and 201.52

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Solution

The fourth proportional to 310, 464 and 201.52 is: 301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    310 : 464 = 201.52 : x
  2. Step 2: Convert to fraction form
    310/464 = 201.52/x
  3. Step 3: Cross multiply
    310x = 464 × 201.52
  4. Step 4: Simplify right side
    310x = 93,505.28
  5. Step 5: Solve for x
    x = 93,505.28/310
  6. Step 6: Final answer
    x = 301.63

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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.