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Finding the Fourth Proportional to 302.24, 449.28 and 293.37

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Solution

The fourth proportional to 302.24, 449.28 and 293.37 is: 436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.24 : 449.28 = 293.37 : x
  2. Step 2: Convert to fraction form
    302.24/449.28 = 293.37/x
  3. Step 3: Cross multiply
    302.24x = 449.28 × 293.37
  4. Step 4: Simplify right side
    302.24x = 131,806.12
  5. Step 5: Solve for x
    x = 131,806.12/302.24
  6. Step 6: Final answer
    x = 436.10

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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.