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Finding the Fourth Proportional to 261.84, 392.83 and 184.96

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Solution

The fourth proportional to 261.84, 392.83 and 184.96 is: 277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.84 : 392.83 = 184.96 : x
  2. Step 2: Convert to fraction form
    261.84/392.83 = 184.96/x
  3. Step 3: Cross multiply
    261.84x = 392.83 × 184.96
  4. Step 4: Simplify right side
    261.84x = 72,654.95
  5. Step 5: Solve for x
    x = 72,654.95/261.84
  6. Step 6: Final answer
    x = 277.48

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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.