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Finding the Fourth Proportional to 514.44, 708.74 and 366.84

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Solution

The fourth proportional to 514.44, 708.74 and 366.84 is: 505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.44 : 708.74 = 366.84 : x
  2. Step 2: Convert to fraction form
    514.44/708.74 = 366.84/x
  3. Step 3: Cross multiply
    514.44x = 708.74 × 366.84
  4. Step 4: Simplify right side
    514.44x = 259,994.18
  5. Step 5: Solve for x
    x = 259,994.18/514.44
  6. Step 6: Final answer
    x = 505.39

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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.