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Finding the Fourth Proportional to 674.44, 927.94 and 526.82

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Solution

The fourth proportional to 674.44, 927.94 and 526.82 is: 724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.44 : 927.94 = 526.82 : x
  2. Step 2: Convert to fraction form
    674.44/927.94 = 526.82/x
  3. Step 3: Cross multiply
    674.44x = 927.94 × 526.82
  4. Step 4: Simplify right side
    674.44x = 488,852.71
  5. Step 5: Solve for x
    x = 488,852.71/674.44
  6. Step 6: Final answer
    x = 724.83

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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.