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Finding the Fourth Proportional to 503.52, 694.56 and 346.24

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Solution

The fourth proportional to 503.52, 694.56 and 346.24 is: 477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.52 : 694.56 = 346.24 : x
  2. Step 2: Convert to fraction form
    503.52/694.56 = 346.24/x
  3. Step 3: Cross multiply
    503.52x = 694.56 × 346.24
  4. Step 4: Simplify right side
    503.52x = 240,484.45
  5. Step 5: Solve for x
    x = 240,484.45/503.52
  6. Step 6: Final answer
    x = 477.61

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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.