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Finding the Fourth Proportional to 323,801.56, 446,863.94 and 180,561.43

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Solution

The fourth proportional to 323,801.56, 446,863.94 and 180,561.43 is: 249,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.56 : 446,863.94 = 180,561.43 : x
  2. Step 2: Convert to fraction form
    323,801.56/446,863.94 = 180,561.43/x
  3. Step 3: Cross multiply
    323,801.56x = 446,863.94 × 180,561.43
  4. Step 4: Simplify right side
    323,801.56x = 80,686,392,021.83
  5. Step 5: Solve for x
    x = 80,686,392,021.83/323,801.56
  6. Step 6: Final answer
    x = 249,184.69

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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.