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Finding the Fourth Proportional to 323,389.44, 446,290.86 and 180,149.43

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Solution

The fourth proportional to 323,389.44, 446,290.86 and 180,149.43 is: 248,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,389.44 : 446,290.86 = 180,149.43 : x
  2. Step 2: Convert to fraction form
    323,389.44/446,290.86 = 180,149.43/x
  3. Step 3: Cross multiply
    323,389.44x = 446,290.86 × 180,149.43
  4. Step 4: Simplify right side
    323,389.44x = 80,399,044,043.21
  5. Step 5: Solve for x
    x = 80,399,044,043.21/323,389.44
  6. Step 6: Final answer
    x = 248,613.70

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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.