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Finding the Fourth Proportional to 354,773.22, 489,583.22 and 193,626.96

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Solution

The fourth proportional to 354,773.22, 489,583.22 and 193,626.96 is: 267,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,773.22 : 489,583.22 = 193,626.96 : x
  2. Step 2: Convert to fraction form
    354,773.22/489,583.22 = 193,626.96/x
  3. Step 3: Cross multiply
    354,773.22x = 489,583.22 × 193,626.96
  4. Step 4: Simplify right side
    354,773.22x = 94,796,509,587.48
  5. Step 5: Solve for x
    x = 94,796,509,587.48/354,773.22
  6. Step 6: Final answer
    x = 267,203.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.