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Finding the Fourth Proportional to 275,520.24, 412,885.68 and 156,946.74

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Solution

The fourth proportional to 275,520.24, 412,885.68 and 156,946.74 is: 235,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,520.24 : 412,885.68 = 156,946.74 : x
  2. Step 2: Convert to fraction form
    275,520.24/412,885.68 = 156,946.74/x
  3. Step 3: Cross multiply
    275,520.24x = 412,885.68 × 156,946.74
  4. Step 4: Simplify right side
    275,520.24x = 64,801,061,468.68
  5. Step 5: Solve for x
    x = 64,801,061,468.68/275,520.24
  6. Step 6: Final answer
    x = 235,195.29

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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.