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Finding the Fourth Proportional to 348,630.41, 481,089.74 and 195,654.30

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Solution

The fourth proportional to 348,630.41, 481,089.74 and 195,654.30 is: 269,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,630.41 : 481,089.74 = 195,654.30 : x
  2. Step 2: Convert to fraction form
    348,630.41/481,089.74 = 195,654.30/x
  3. Step 3: Cross multiply
    348,630.41x = 481,089.74 × 195,654.30
  4. Step 4: Simplify right side
    348,630.41x = 94,127,275,338.61
  5. Step 5: Solve for x
    x = 94,127,275,338.61/348,630.41
  6. Step 6: Final answer
    x = 269,991.58

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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.