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Finding the Fourth Proportional to 617,109.90, 925,732.89 and 196,287.36

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Solution

The fourth proportional to 617,109.90, 925,732.89 and 196,287.36 is: 294,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,109.90 : 925,732.89 = 196,287.36 : x
  2. Step 2: Convert to fraction form
    617,109.90/925,732.89 = 196,287.36/x
  3. Step 3: Cross multiply
    617,109.90x = 925,732.89 × 196,287.36
  4. Step 4: Simplify right side
    617,109.90x = 181,709,665,043.27
  5. Step 5: Solve for x
    x = 181,709,665,043.27/617,109.90
  6. Step 6: Final answer
    x = 294,452.68

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1.5x scale

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.