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Finding the Fourth Proportional to 617,061.90, 925,660.89 and 196,239.36

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Solution

The fourth proportional to 617,061.90, 925,660.89 and 196,239.36 is: 294,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,061.90 : 925,660.89 = 196,239.36 : x
  2. Step 2: Convert to fraction form
    617,061.90/925,660.89 = 196,239.36/x
  3. Step 3: Cross multiply
    617,061.90x = 925,660.89 × 196,239.36
  4. Step 4: Simplify right side
    617,061.90x = 181,651,100,630.63
  5. Step 5: Solve for x
    x = 181,651,100,630.63/617,061.90
  6. Step 6: Final answer
    x = 294,380.68

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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.