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Finding the Fourth Proportional to 529.25, 794.16 and 298.26

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Solution

The fourth proportional to 529.25, 794.16 and 298.26 is: 447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.25 : 794.16 = 298.26 : x
  2. Step 2: Convert to fraction form
    529.25/794.16 = 298.26/x
  3. Step 3: Cross multiply
    529.25x = 794.16 × 298.26
  4. Step 4: Simplify right side
    529.25x = 236,866.16
  5. Step 5: Solve for x
    x = 236,866.16/529.25
  6. Step 6: Final answer
    x = 447.55

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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.