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Finding the Fourth Proportional to 323,014.56, 445,774.78 and 179,783.79

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Solution

The fourth proportional to 323,014.56, 445,774.78 and 179,783.79 is: 248,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,014.56 : 445,774.78 = 179,783.79 : x
  2. Step 2: Convert to fraction form
    323,014.56/445,774.78 = 179,783.79/x
  3. Step 3: Cross multiply
    323,014.56x = 445,774.78 × 179,783.79
  4. Step 4: Simplify right side
    323,014.56x = 80,143,079,434.82
  5. Step 5: Solve for x
    x = 80,143,079,434.82/323,014.56
  6. Step 6: Final answer
    x = 248,109.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.