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Finding the Fourth Proportional to 348,615.65, 481,137.84 and 195,662.94

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Solution

The fourth proportional to 348,615.65, 481,137.84 and 195,662.94 is: 270,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,615.65 : 481,137.84 = 195,662.94 : x
  2. Step 2: Convert to fraction form
    348,615.65/481,137.84 = 195,662.94/x
  3. Step 3: Cross multiply
    348,615.65x = 481,137.84 × 195,662.94
  4. Step 4: Simplify right side
    348,615.65x = 94,140,844,319.65
  5. Step 5: Solve for x
    x = 94,140,844,319.65/348,615.65
  6. Step 6: Final answer
    x = 270,041.94

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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.