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Finding the Fourth Proportional to 350,911.97, 484,305.90 and 197,981.54

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Solution

The fourth proportional to 350,911.97, 484,305.90 and 197,981.54 is: 273,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,911.97 : 484,305.90 = 197,981.54 : x
  2. Step 2: Convert to fraction form
    350,911.97/484,305.90 = 197,981.54/x
  3. Step 3: Cross multiply
    350,911.97x = 484,305.90 × 197,981.54
  4. Step 4: Simplify right side
    350,911.97x = 95,883,627,678.92
  5. Step 5: Solve for x
    x = 95,883,627,678.92/350,911.97
  6. Step 6: Final answer
    x = 273,241.26

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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.