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Finding the Fourth Proportional to 348,853.95, 481,412.25 and 195,893.37

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Solution

The fourth proportional to 348,853.95, 481,412.25 and 195,893.37 is: 270,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,853.95 : 481,412.25 = 195,893.37 : x
  2. Step 2: Convert to fraction form
    348,853.95/481,412.25 = 195,893.37/x
  3. Step 3: Cross multiply
    348,853.95x = 481,412.25 × 195,893.37
  4. Step 4: Simplify right side
    348,853.95x = 94,305,468,011.78
  5. Step 5: Solve for x
    x = 94,305,468,011.78/348,853.95
  6. Step 6: Final answer
    x = 270,329.37

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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.