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Finding the Fourth Proportional to 329,847.48, 493,933.86 and 276,398.91

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Solution

The fourth proportional to 329,847.48, 493,933.86 and 276,398.91 is: 413,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,847.48 : 493,933.86 = 276,398.91 : x
  2. Step 2: Convert to fraction form
    329,847.48/493,933.86 = 276,398.91/x
  3. Step 3: Cross multiply
    329,847.48x = 493,933.86 × 276,398.91
  4. Step 4: Simplify right side
    329,847.48x = 136,522,780,516.09
  5. Step 5: Solve for x
    x = 136,522,780,516.09/329,847.48
  6. Step 6: Final answer
    x = 413,896.69

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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.