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Finding the Fourth Proportional to 575.88, 794.61 and 379.28

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Solution

The fourth proportional to 575.88, 794.61 and 379.28 is: 523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.88 : 794.61 = 379.28 : x
  2. Step 2: Convert to fraction form
    575.88/794.61 = 379.28/x
  3. Step 3: Cross multiply
    575.88x = 794.61 × 379.28
  4. Step 4: Simplify right side
    575.88x = 301,381.67
  5. Step 5: Solve for x
    x = 301,381.67/575.88
  6. Step 6: Final answer
    x = 523.34

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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.