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Finding the Fourth Proportional to 310.56, 464.76 and 237.84

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Solution

The fourth proportional to 310.56, 464.76 and 237.84 is: 355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.56 : 464.76 = 237.84 : x
  2. Step 2: Convert to fraction form
    310.56/464.76 = 237.84/x
  3. Step 3: Cross multiply
    310.56x = 464.76 × 237.84
  4. Step 4: Simplify right side
    310.56x = 110,538.52
  5. Step 5: Solve for x
    x = 110,538.52/310.56
  6. Step 6: Final answer
    x = 355.93

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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.