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Finding the Fourth Proportional to 616,992.65, 925,430.65 and 196,194.41

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Solution

The fourth proportional to 616,992.65, 925,430.65 and 196,194.41 is: 294,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,992.65 : 925,430.65 = 196,194.41 : x
  2. Step 2: Convert to fraction form
    616,992.65/925,430.65 = 196,194.41/x
  3. Step 3: Cross multiply
    616,992.65x = 925,430.65 × 196,194.41
  4. Step 4: Simplify right side
    616,992.65x = 181,564,320,372.67
  5. Step 5: Solve for x
    x = 181,564,320,372.67/616,992.65
  6. Step 6: Final answer
    x = 294,273.07

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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.