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Finding the Fourth Proportional to 575.69, 794.25 and 326.99

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Solution

The fourth proportional to 575.69, 794.25 and 326.99 is: 451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.69 : 794.25 = 326.99 : x
  2. Step 2: Convert to fraction form
    575.69/794.25 = 326.99/x
  3. Step 3: Cross multiply
    575.69x = 794.25 × 326.99
  4. Step 4: Simplify right side
    575.69x = 259,707.84
  5. Step 5: Solve for x
    x = 259,707.84/575.69
  6. Step 6: Final answer
    x = 451.13

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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.