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Finding the Fourth Proportional to 348,392.48, 480,786.84 and 195,464.48

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Solution

The fourth proportional to 348,392.48, 480,786.84 and 195,464.48 is: 269,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,392.48 : 480,786.84 = 195,464.48 : x
  2. Step 2: Convert to fraction form
    348,392.48/480,786.84 = 195,464.48/x
  3. Step 3: Cross multiply
    348,392.48x = 480,786.84 × 195,464.48
  4. Step 4: Simplify right side
    348,392.48x = 93,976,747,267.51
  5. Step 5: Solve for x
    x = 93,976,747,267.51/348,392.48
  6. Step 6: Final answer
    x = 269,743.91

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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.