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Finding the Fourth Proportional to 324,069.52, 486,104.30 and 102,453.52

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Solution

The fourth proportional to 324,069.52, 486,104.30 and 102,453.52 is: 153,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,069.52 : 486,104.30 = 102,453.52 : x
  2. Step 2: Convert to fraction form
    324,069.52/486,104.30 = 102,453.52/x
  3. Step 3: Cross multiply
    324,069.52x = 486,104.30 × 102,453.52
  4. Step 4: Simplify right side
    324,069.52x = 49,803,096,622.14
  5. Step 5: Solve for x
    x = 49,803,096,622.14/324,069.52
  6. Step 6: Final answer
    x = 153,680.29

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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.