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Finding the Fourth Proportional to 323,498.76, 446,422.26 and 180,255.72

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Solution

The fourth proportional to 323,498.76, 446,422.26 and 180,255.72 is: 248,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,498.76 : 446,422.26 = 180,255.72 : x
  2. Step 2: Convert to fraction form
    323,498.76/446,422.26 = 180,255.72/x
  3. Step 3: Cross multiply
    323,498.76x = 446,422.26 × 180,255.72
  4. Step 4: Simplify right side
    323,498.76x = 80,470,165,900.33
  5. Step 5: Solve for x
    x = 80,470,165,900.33/323,498.76
  6. Step 6: Final answer
    x = 248,749.53

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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.