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Finding the Fourth Proportional to 493,471.38, 740,193.94 and 373,755.57

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Solution

The fourth proportional to 493,471.38, 740,193.94 and 373,755.57 is: 560,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,471.38 : 740,193.94 = 373,755.57 : x
  2. Step 2: Convert to fraction form
    493,471.38/740,193.94 = 373,755.57/x
  3. Step 3: Cross multiply
    493,471.38x = 740,193.94 × 373,755.57
  4. Step 4: Simplify right side
    493,471.38x = 276,651,608,730.62
  5. Step 5: Solve for x
    x = 276,651,608,730.62/493,471.38
  6. Step 6: Final answer
    x = 560,623.41

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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.