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Finding the Fourth Proportional to 335.04, 502.92 and 314.88

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Solution

The fourth proportional to 335.04, 502.92 and 314.88 is: 472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 502.92 = 314.88 : x
  2. Step 2: Convert to fraction form
    335.04/502.92 = 314.88/x
  3. Step 3: Cross multiply
    335.04x = 502.92 × 314.88
  4. Step 4: Simplify right side
    335.04x = 158,359.45
  5. Step 5: Solve for x
    x = 158,359.45/335.04
  6. Step 6: Final answer
    x = 472.66

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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.