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Finding the Fourth Proportional to 335.91, 503.29 and 294.32

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Solution

The fourth proportional to 335.91, 503.29 and 294.32 is: 440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.91 : 503.29 = 294.32 : x
  2. Step 2: Convert to fraction form
    335.91/503.29 = 294.32/x
  3. Step 3: Cross multiply
    335.91x = 503.29 × 294.32
  4. Step 4: Simplify right side
    335.91x = 148,129.94
  5. Step 5: Solve for x
    x = 148,129.94/335.91
  6. Step 6: Final answer
    x = 440.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.