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Finding the Fourth Proportional to 617,044.56, 925,574.52 and 196,318.80

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Solution

The fourth proportional to 617,044.56, 925,574.52 and 196,318.80 is: 294,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,044.56 : 925,574.52 = 196,318.80 : x
  2. Step 2: Convert to fraction form
    617,044.56/925,574.52 = 196,318.80/x
  3. Step 3: Cross multiply
    617,044.56x = 925,574.52 × 196,318.80
  4. Step 4: Simplify right side
    617,044.56x = 181,707,679,076.98
  5. Step 5: Solve for x
    x = 181,707,679,076.98/617,044.56
  6. Step 6: Final answer
    x = 294,480.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.