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Finding the Fourth Proportional to 323,316.72, 446,190.92 and 180,076.80

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Solution

The fourth proportional to 323,316.72, 446,190.92 and 180,076.80 is: 248,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,316.72 : 446,190.92 = 180,076.80 : x
  2. Step 2: Convert to fraction form
    323,316.72/446,190.92 = 180,076.80/x
  3. Step 3: Cross multiply
    323,316.72x = 446,190.92 × 180,076.80
  4. Step 4: Simplify right side
    323,316.72x = 80,348,633,062.66
  5. Step 5: Solve for x
    x = 80,348,633,062.66/323,316.72
  6. Step 6: Final answer
    x = 248,513.70

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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.