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Finding the Fourth Proportional to 322,923.70, 484,166.85 and 165,022.30

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Solution

The fourth proportional to 322,923.70, 484,166.85 and 165,022.30 is: 247,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,923.70 : 484,166.85 = 165,022.30 : x
  2. Step 2: Convert to fraction form
    322,923.70/484,166.85 = 165,022.30/x
  3. Step 3: Cross multiply
    322,923.70x = 484,166.85 × 165,022.30
  4. Step 4: Simplify right side
    322,923.70x = 79,898,327,170.76
  5. Step 5: Solve for x
    x = 79,898,327,170.76/322,923.70
  6. Step 6: Final answer
    x = 247,421.69

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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.