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Finding the Fourth Proportional to 473.44, 653.34 and 276.94

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Solution

The fourth proportional to 473.44, 653.34 and 276.94 is: 382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.44 : 653.34 = 276.94 : x
  2. Step 2: Convert to fraction form
    473.44/653.34 = 276.94/x
  3. Step 3: Cross multiply
    473.44x = 653.34 × 276.94
  4. Step 4: Simplify right side
    473.44x = 180,935.98
  5. Step 5: Solve for x
    x = 180,935.98/473.44
  6. Step 6: Final answer
    x = 382.17

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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.