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Finding the Fourth Proportional to 517.04, 713.52 and 295.98

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Solution

The fourth proportional to 517.04, 713.52 and 295.98 is: 408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.04 : 713.52 = 295.98 : x
  2. Step 2: Convert to fraction form
    517.04/713.52 = 295.98/x
  3. Step 3: Cross multiply
    517.04x = 713.52 × 295.98
  4. Step 4: Simplify right side
    517.04x = 211,187.65
  5. Step 5: Solve for x
    x = 211,187.65/517.04
  6. Step 6: Final answer
    x = 408.46

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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.