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Finding the Fourth Proportional to 324,057.10, 485,429.55 and 183,651.70

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Solution

The fourth proportional to 324,057.10, 485,429.55 and 183,651.70 is: 275,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,057.10 : 485,429.55 = 183,651.70 : x
  2. Step 2: Convert to fraction form
    324,057.10/485,429.55 = 183,651.70/x
  3. Step 3: Cross multiply
    324,057.10x = 485,429.55 × 183,651.70
  4. Step 4: Simplify right side
    324,057.10x = 89,149,962,087.74
  5. Step 5: Solve for x
    x = 89,149,962,087.74/324,057.10
  6. Step 6: Final answer
    x = 275,105.72

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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.