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Finding the Fourth Proportional to 529.14, 798.27 and 514.56

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Solution

The fourth proportional to 529.14, 798.27 and 514.56 is: 776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.14 : 798.27 = 514.56 : x
  2. Step 2: Convert to fraction form
    529.14/798.27 = 514.56/x
  3. Step 3: Cross multiply
    529.14x = 798.27 × 514.56
  4. Step 4: Simplify right side
    529.14x = 410,757.81
  5. Step 5: Solve for x
    x = 410,757.81/529.14
  6. Step 6: Final answer
    x = 776.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.