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Finding the Fourth Proportional to 444.24, 612.96 and 297.06

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Solution

The fourth proportional to 444.24, 612.96 and 297.06 is: 409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.24 : 612.96 = 297.06 : x
  2. Step 2: Convert to fraction form
    444.24/612.96 = 297.06/x
  3. Step 3: Cross multiply
    444.24x = 612.96 × 297.06
  4. Step 4: Simplify right side
    444.24x = 182,085.90
  5. Step 5: Solve for x
    x = 182,085.90/444.24
  6. Step 6: Final answer
    x = 409.88

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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.