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Finding the Fourth Proportional to 348,947.97, 481,509.94 and 195,955.17

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Solution

The fourth proportional to 348,947.97, 481,509.94 and 195,955.17 is: 270,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,947.97 : 481,509.94 = 195,955.17 : x
  2. Step 2: Convert to fraction form
    348,947.97/481,509.94 = 195,955.17/x
  3. Step 3: Cross multiply
    348,947.97x = 481,509.94 × 195,955.17
  4. Step 4: Simplify right side
    348,947.97x = 94,354,362,149.39
  5. Step 5: Solve for x
    x = 94,354,362,149.39/348,947.97
  6. Step 6: Final answer
    x = 270,396.65

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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.