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Finding the Fourth Proportional to 296.76, 445.62 and 183.48

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Solution

The fourth proportional to 296.76, 445.62 and 183.48 is: 275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.76 : 445.62 = 183.48 : x
  2. Step 2: Convert to fraction form
    296.76/445.62 = 183.48/x
  3. Step 3: Cross multiply
    296.76x = 445.62 × 183.48
  4. Step 4: Simplify right side
    296.76x = 81,762.36
  5. Step 5: Solve for x
    x = 81,762.36/296.76
  6. Step 6: Final answer
    x = 275.52

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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.