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Finding the Fourth Proportional to 289,184.52, 433,650.92 and 137,425.62

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Solution

The fourth proportional to 289,184.52, 433,650.92 and 137,425.62 is: 206,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,184.52 : 433,650.92 = 137,425.62 : x
  2. Step 2: Convert to fraction form
    289,184.52/433,650.92 = 137,425.62/x
  3. Step 3: Cross multiply
    289,184.52x = 433,650.92 × 137,425.62
  4. Step 4: Simplify right side
    289,184.52x = 59,594,745,857.44
  5. Step 5: Solve for x
    x = 59,594,745,857.44/289,184.52
  6. Step 6: Final answer
    x = 206,078.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.