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Finding the Fourth Proportional to 443,550.54, 612,099.27 and 239,601.42

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Solution

The fourth proportional to 443,550.54, 612,099.27 and 239,601.42 is: 330,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,550.54 : 612,099.27 = 239,601.42 : x
  2. Step 2: Convert to fraction form
    443,550.54/612,099.27 = 239,601.42/x
  3. Step 3: Cross multiply
    443,550.54x = 612,099.27 × 239,601.42
  4. Step 4: Simplify right side
    443,550.54x = 146,659,854,272.96
  5. Step 5: Solve for x
    x = 146,659,854,272.96/443,550.54
  6. Step 6: Final answer
    x = 330,649.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.