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Finding the Fourth Proportional to 409,793.58, 613,613.34 and 329,404.86

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Solution

The fourth proportional to 409,793.58, 613,613.34 and 329,404.86 is: 493,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,793.58 : 613,613.34 = 329,404.86 : x
  2. Step 2: Convert to fraction form
    409,793.58/613,613.34 = 329,404.86/x
  3. Step 3: Cross multiply
    409,793.58x = 613,613.34 × 329,404.86
  4. Step 4: Simplify right side
    409,793.58x = 202,127,216,356.83
  5. Step 5: Solve for x
    x = 202,127,216,356.83/409,793.58
  6. Step 6: Final answer
    x = 493,241.54

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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.