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Finding the Fourth Proportional to 324,245.44, 485,371.62 and 276,415.84

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Solution

The fourth proportional to 324,245.44, 485,371.62 and 276,415.84 is: 413,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,245.44 : 485,371.62 = 276,415.84 : x
  2. Step 2: Convert to fraction form
    324,245.44/485,371.62 = 276,415.84/x
  3. Step 3: Cross multiply
    324,245.44x = 485,371.62 × 276,415.84
  4. Step 4: Simplify right side
    324,245.44x = 134,164,404,054.46
  5. Step 5: Solve for x
    x = 134,164,404,054.46/324,245.44
  6. Step 6: Final answer
    x = 413,774.22

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1.5x scale

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.