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Finding the Fourth Proportional to 617,055.90, 925,651.89 and 196,233.36

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Solution

The fourth proportional to 617,055.90, 925,651.89 and 196,233.36 is: 294,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,055.90 : 925,651.89 = 196,233.36 : x
  2. Step 2: Convert to fraction form
    617,055.90/925,651.89 = 196,233.36/x
  3. Step 3: Cross multiply
    617,055.90x = 925,651.89 × 196,233.36
  4. Step 4: Simplify right side
    617,055.90x = 181,643,780,565.05
  5. Step 5: Solve for x
    x = 181,643,780,565.05/617,055.90
  6. Step 6: Final answer
    x = 294,371.68

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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.