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Finding the Fourth Proportional to 429.83, 593.10 and 243.33

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Solution

The fourth proportional to 429.83, 593.10 and 243.33 is: 335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.83 : 593.10 = 243.33 : x
  2. Step 2: Convert to fraction form
    429.83/593.10 = 243.33/x
  3. Step 3: Cross multiply
    429.83x = 593.10 × 243.33
  4. Step 4: Simplify right side
    429.83x = 144,319.02
  5. Step 5: Solve for x
    x = 144,319.02/429.83
  6. Step 6: Final answer
    x = 335.76

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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.