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Finding the Fourth Proportional to 337.32, 503.79 and 283.26

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Solution

The fourth proportional to 337.32, 503.79 and 283.26 is: 423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.32 : 503.79 = 283.26 : x
  2. Step 2: Convert to fraction form
    337.32/503.79 = 283.26/x
  3. Step 3: Cross multiply
    337.32x = 503.79 × 283.26
  4. Step 4: Simplify right side
    337.32x = 142,703.56
  5. Step 5: Solve for x
    x = 142,703.56/337.32
  6. Step 6: Final answer
    x = 423.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.