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Finding the Fourth Proportional to 617,049.90, 925,642.89 and 196,227.36

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Solution

The fourth proportional to 617,049.90, 925,642.89 and 196,227.36 is: 294,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,049.90 : 925,642.89 = 196,227.36 : x
  2. Step 2: Convert to fraction form
    617,049.90/925,642.89 = 196,227.36/x
  3. Step 3: Cross multiply
    617,049.90x = 925,642.89 × 196,227.36
  4. Step 4: Simplify right side
    617,049.90x = 181,636,460,607.47
  5. Step 5: Solve for x
    x = 181,636,460,607.47/617,049.90
  6. Step 6: Final answer
    x = 294,362.68

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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.