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Finding the Fourth Proportional to 369.96, 553.86 and 297.24

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Solution

The fourth proportional to 369.96, 553.86 and 297.24 is: 444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.96 : 553.86 = 297.24 : x
  2. Step 2: Convert to fraction form
    369.96/553.86 = 297.24/x
  3. Step 3: Cross multiply
    369.96x = 553.86 × 297.24
  4. Step 4: Simplify right side
    369.96x = 164,629.35
  5. Step 5: Solve for x
    x = 164,629.35/369.96
  6. Step 6: Final answer
    x = 444.99

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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.