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Finding the Fourth Proportional to 245,940.30, 368,910.52 and 189,862.27

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Solution

The fourth proportional to 245,940.30, 368,910.52 and 189,862.27 is: 284,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,940.30 : 368,910.52 = 189,862.27 : x
  2. Step 2: Convert to fraction form
    245,940.30/368,910.52 = 189,862.27/x
  3. Step 3: Cross multiply
    245,940.30x = 368,910.52 × 189,862.27
  4. Step 4: Simplify right side
    245,940.30x = 70,042,187,357.15
  5. Step 5: Solve for x
    x = 70,042,187,357.15/245,940.30
  6. Step 6: Final answer
    x = 284,793.45

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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.