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Finding the Fourth Proportional to 361,738.60, 542,478.30 and 184,186.60

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Solution

The fourth proportional to 361,738.60, 542,478.30 and 184,186.60 is: 276,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,738.60 : 542,478.30 = 184,186.60 : x
  2. Step 2: Convert to fraction form
    361,738.60/542,478.30 = 184,186.60/x
  3. Step 3: Cross multiply
    361,738.60x = 542,478.30 × 184,186.60
  4. Step 4: Simplify right side
    361,738.60x = 99,917,233,650.78
  5. Step 5: Solve for x
    x = 99,917,233,650.78/361,738.60
  6. Step 6: Final answer
    x = 276,213.91

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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.