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Finding the Fourth Proportional to 503.33, 694.61 and 293.52

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Solution

The fourth proportional to 503.33, 694.61 and 293.52 is: 405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.33 : 694.61 = 293.52 : x
  2. Step 2: Convert to fraction form
    503.33/694.61 = 293.52/x
  3. Step 3: Cross multiply
    503.33x = 694.61 × 293.52
  4. Step 4: Simplify right side
    503.33x = 203,880.46
  5. Step 5: Solve for x
    x = 203,880.46/503.33
  6. Step 6: Final answer
    x = 405.07

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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.