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Finding the Fourth Proportional to 296.96, 445.18 and 175

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Solution

The fourth proportional to 296.96, 445.18 and 175 is: 262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.96 : 445.18 = 175 : x
  2. Step 2: Convert to fraction form
    296.96/445.18 = 175/x
  3. Step 3: Cross multiply
    296.96x = 445.18 × 175
  4. Step 4: Simplify right side
    296.96x = 77,906.50
  5. Step 5: Solve for x
    x = 77,906.50/296.96
  6. Step 6: Final answer
    x = 262.35

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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.