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Finding the Fourth Proportional to 292.52, 404.08 and 253.64

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Solution

The fourth proportional to 292.52, 404.08 and 253.64 is: 350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.52 : 404.08 = 253.64 : x
  2. Step 2: Convert to fraction form
    292.52/404.08 = 253.64/x
  3. Step 3: Cross multiply
    292.52x = 404.08 × 253.64
  4. Step 4: Simplify right side
    292.52x = 102,490.85
  5. Step 5: Solve for x
    x = 102,490.85/292.52
  6. Step 6: Final answer
    x = 350.37

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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.