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Finding the Fourth Proportional to 310.60, 464.96 and 202.04

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Solution

The fourth proportional to 310.60, 464.96 and 202.04 is: 302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.60 : 464.96 = 202.04 : x
  2. Step 2: Convert to fraction form
    310.60/464.96 = 202.04/x
  3. Step 3: Cross multiply
    310.60x = 464.96 × 202.04
  4. Step 4: Simplify right side
    310.60x = 93,940.52
  5. Step 5: Solve for x
    x = 93,940.52/310.60
  6. Step 6: Final answer
    x = 302.45

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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.