Home / 361,974.20-542,961.30-303,362.60

Finding the Fourth Proportional to 361,974.20, 542,961.30 and 303,362.60

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Solution

The fourth proportional to 361,974.20, 542,961.30 and 303,362.60 is: 455,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,974.20 : 542,961.30 = 303,362.60 : x
  2. Step 2: Convert to fraction form
    361,974.20/542,961.30 = 303,362.60/x
  3. Step 3: Cross multiply
    361,974.20x = 542,961.30 × 303,362.60
  4. Step 4: Simplify right side
    361,974.20x = 164,714,151,667.38
  5. Step 5: Solve for x
    x = 164,714,151,667.38/361,974.20
  6. Step 6: Final answer
    x = 455,043.90

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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.