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Finding the Fourth Proportional to 403, 604.44 and 293.40

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Solution

The fourth proportional to 403, 604.44 and 293.40 is: 440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403 : 604.44 = 293.40 : x
  2. Step 2: Convert to fraction form
    403/604.44 = 293.40/x
  3. Step 3: Cross multiply
    403x = 604.44 × 293.40
  4. Step 4: Simplify right side
    403x = 177,342.70
  5. Step 5: Solve for x
    x = 177,342.70/403
  6. Step 6: Final answer
    x = 440.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.