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Finding the Fourth Proportional to 261.48, 392.04 and 184.44

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Solution

The fourth proportional to 261.48, 392.04 and 184.44 is: 276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.48 : 392.04 = 184.44 : x
  2. Step 2: Convert to fraction form
    261.48/392.04 = 184.44/x
  3. Step 3: Cross multiply
    261.48x = 392.04 × 184.44
  4. Step 4: Simplify right side
    261.48x = 72,307.86
  5. Step 5: Solve for x
    x = 72,307.86/261.48
  6. Step 6: Final answer
    x = 276.53

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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.