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Finding the Fourth Proportional to 613,236, 919,862.28 and 192,511.92

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Solution

The fourth proportional to 613,236, 919,862.28 and 192,511.92 is: 288,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,236 : 919,862.28 = 192,511.92 : x
  2. Step 2: Convert to fraction form
    613,236/919,862.28 = 192,511.92/x
  3. Step 3: Cross multiply
    613,236x = 919,862.28 × 192,511.92
  4. Step 4: Simplify right side
    613,236x = 177,084,453,658.38
  5. Step 5: Solve for x
    x = 177,084,453,658.38/613,236
  6. Step 6: Final answer
    x = 288,770.48

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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.