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Finding the Fourth Proportional to 367.06, 507.07 and 293.28

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Solution

The fourth proportional to 367.06, 507.07 and 293.28 is: 405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.06 : 507.07 = 293.28 : x
  2. Step 2: Convert to fraction form
    367.06/507.07 = 293.28/x
  3. Step 3: Cross multiply
    367.06x = 507.07 × 293.28
  4. Step 4: Simplify right side
    367.06x = 148,713.49
  5. Step 5: Solve for x
    x = 148,713.49/367.06
  6. Step 6: Final answer
    x = 405.15

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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.