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Finding the Fourth Proportional to 330,002.96, 455,404.26 and 179,099.96

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Solution

The fourth proportional to 330,002.96, 455,404.26 and 179,099.96 is: 247,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,002.96 : 455,404.26 = 179,099.96 : x
  2. Step 2: Convert to fraction form
    330,002.96/455,404.26 = 179,099.96/x
  3. Step 3: Cross multiply
    330,002.96x = 455,404.26 × 179,099.96
  4. Step 4: Simplify right side
    330,002.96x = 81,562,882,472.81
  5. Step 5: Solve for x
    x = 81,562,882,472.81/330,002.96
  6. Step 6: Final answer
    x = 247,158.04

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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.