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Finding the Fourth Proportional to 200,959,360.40, 301,439,040.60 and 192,456,304.40

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Solution

The fourth proportional to 200,959,360.40, 301,439,040.60 and 192,456,304.40 is: 288,684,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,959,360.40 : 301,439,040.60 = 192,456,304.40 : x
  2. Step 2: Convert to fraction form
    200,959,360.40/301,439,040.60 = 192,456,304.40/x
  3. Step 3: Cross multiply
    200,959,360.40x = 301,439,040.60 × 192,456,304.40
  4. Step 4: Simplify right side
    200,959,360.40x = 58,013,843,755,757,568
  5. Step 5: Solve for x
    x = 58,013,843,755,757,568/200,959,360.40
  6. Step 6: Final answer
    x = 288,684,456.60

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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.