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Finding the Fourth Proportional to 467,919.60, 701,879.40 and 289,849.20

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Solution

The fourth proportional to 467,919.60, 701,879.40 and 289,849.20 is: 434,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,919.60 : 701,879.40 = 289,849.20 : x
  2. Step 2: Convert to fraction form
    467,919.60/701,879.40 = 289,849.20/x
  3. Step 3: Cross multiply
    467,919.60x = 701,879.40 × 289,849.20
  4. Step 4: Simplify right side
    467,919.60x = 203,439,182,586.48
  5. Step 5: Solve for x
    x = 203,439,182,586.48/467,919.60
  6. Step 6: Final answer
    x = 434,773.80

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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.