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Finding the Fourth Proportional to 446.44, 669.65 and 293.33

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Solution

The fourth proportional to 446.44, 669.65 and 293.33 is: 440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.44 : 669.65 = 293.33 : x
  2. Step 2: Convert to fraction form
    446.44/669.65 = 293.33/x
  3. Step 3: Cross multiply
    446.44x = 669.65 × 293.33
  4. Step 4: Simplify right side
    446.44x = 196,429.17
  5. Step 5: Solve for x
    x = 196,429.17/446.44
  6. Step 6: Final answer
    x = 440.00

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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.