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Finding the Fourth Proportional to 350,962.94, 484,328.97 and 198,033.56

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Solution

The fourth proportional to 350,962.94, 484,328.97 and 198,033.56 is: 273,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,962.94 : 484,328.97 = 198,033.56 : x
  2. Step 2: Convert to fraction form
    350,962.94/484,328.97 = 198,033.56/x
  3. Step 3: Cross multiply
    350,962.94x = 484,328.97 × 198,033.56
  4. Step 4: Simplify right side
    350,962.94x = 95,913,389,534.82
  5. Step 5: Solve for x
    x = 95,913,389,534.82/350,962.94
  6. Step 6: Final answer
    x = 273,286.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.