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Finding the Fourth Proportional to 245,300.60, 368,469.30 and 236,487.80

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Solution

The fourth proportional to 245,300.60, 368,469.30 and 236,487.80 is: 355,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,300.60 : 368,469.30 = 236,487.80 : x
  2. Step 2: Convert to fraction form
    245,300.60/368,469.30 = 236,487.80/x
  3. Step 3: Cross multiply
    245,300.60x = 368,469.30 × 236,487.80
  4. Step 4: Simplify right side
    245,300.60x = 87,138,494,124.54
  5. Step 5: Solve for x
    x = 87,138,494,124.54/245,300.60
  6. Step 6: Final answer
    x = 355,231.48

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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.