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Finding the Fourth Proportional to 323,310.72, 446,182.64 and 180,070.80

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Solution

The fourth proportional to 323,310.72, 446,182.64 and 180,070.80 is: 248,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,310.72 : 446,182.64 = 180,070.80 : x
  2. Step 2: Convert to fraction form
    323,310.72/446,182.64 = 180,070.80/x
  3. Step 3: Cross multiply
    323,310.72x = 446,182.64 × 180,070.80
  4. Step 4: Simplify right side
    323,310.72x = 80,344,464,930.91
  5. Step 5: Solve for x
    x = 80,344,464,930.91/323,310.72
  6. Step 6: Final answer
    x = 248,505.42

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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.