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Finding the Fourth Proportional to 270.96, 373.98 and 183.66

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Solution

The fourth proportional to 270.96, 373.98 and 183.66 is: 253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.96 : 373.98 = 183.66 : x
  2. Step 2: Convert to fraction form
    270.96/373.98 = 183.66/x
  3. Step 3: Cross multiply
    270.96x = 373.98 × 183.66
  4. Step 4: Simplify right side
    270.96x = 68,685.17
  5. Step 5: Solve for x
    x = 68,685.17/270.96
  6. Step 6: Final answer
    x = 253.49

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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.