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Finding the Fourth Proportional to 361,279.53, 542,255.54 and 183,919.32

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Solution

The fourth proportional to 361,279.53, 542,255.54 and 183,919.32 is: 276,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,279.53 : 542,255.54 = 183,919.32 : x
  2. Step 2: Convert to fraction form
    361,279.53/542,255.54 = 183,919.32/x
  3. Step 3: Cross multiply
    361,279.53x = 542,255.54 × 183,919.32
  4. Step 4: Simplify right side
    361,279.53x = 99,731,270,183.03
  5. Step 5: Solve for x
    x = 99,731,270,183.03/361,279.53
  6. Step 6: Final answer
    x = 276,050.15

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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.