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Finding the Fourth Proportional to 550,336.86, 825,587.28 and 195,321.15

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Solution

The fourth proportional to 550,336.86, 825,587.28 and 195,321.15 is: 293,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,336.86 : 825,587.28 = 195,321.15 : x
  2. Step 2: Convert to fraction form
    550,336.86/825,587.28 = 195,321.15/x
  3. Step 3: Cross multiply
    550,336.86x = 825,587.28 × 195,321.15
  4. Step 4: Simplify right side
    550,336.86x = 161,254,656,954.97
  5. Step 5: Solve for x
    x = 161,254,656,954.97/550,336.86
  6. Step 6: Final answer
    x = 293,010.82

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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.