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Finding the Fourth Proportional to 322,956.99, 484,484.70 and 165,132.15

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Solution

The fourth proportional to 322,956.99, 484,484.70 and 165,132.15 is: 247,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,956.99 : 484,484.70 = 165,132.15 : x
  2. Step 2: Convert to fraction form
    322,956.99/484,484.70 = 165,132.15/x
  3. Step 3: Cross multiply
    322,956.99x = 484,484.70 × 165,132.15
  4. Step 4: Simplify right side
    322,956.99x = 80,004,000,153.11
  5. Step 5: Solve for x
    x = 80,004,000,153.11/322,956.99
  6. Step 6: Final answer
    x = 247,723.39

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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.