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Finding the Fourth Proportional to 575.24, 793.83 and 313.25

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Solution

The fourth proportional to 575.24, 793.83 and 313.25 is: 432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.24 : 793.83 = 313.25 : x
  2. Step 2: Convert to fraction form
    575.24/793.83 = 313.25/x
  3. Step 3: Cross multiply
    575.24x = 793.83 × 313.25
  4. Step 4: Simplify right side
    575.24x = 248,665.68
  5. Step 5: Solve for x
    x = 248,665.68/575.24
  6. Step 6: Final answer
    x = 432.29

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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.