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Finding the Fourth Proportional to 297.95, 446.94 and 153.59

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Solution

The fourth proportional to 297.95, 446.94 and 153.59 is: 230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.95 : 446.94 = 153.59 : x
  2. Step 2: Convert to fraction form
    297.95/446.94 = 153.59/x
  3. Step 3: Cross multiply
    297.95x = 446.94 × 153.59
  4. Step 4: Simplify right side
    297.95x = 68,643.28
  5. Step 5: Solve for x
    x = 68,643.28/297.95
  6. Step 6: Final answer
    x = 230.39

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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.