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Finding the Fourth Proportional to 293,396.64, 404,893.80 and 178,680.66

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Solution

The fourth proportional to 293,396.64, 404,893.80 and 178,680.66 is: 246,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,396.64 : 404,893.80 = 178,680.66 : x
  2. Step 2: Convert to fraction form
    293,396.64/404,893.80 = 178,680.66/x
  3. Step 3: Cross multiply
    293,396.64x = 404,893.80 × 178,680.66
  4. Step 4: Simplify right side
    293,396.64x = 72,346,691,413.91
  5. Step 5: Solve for x
    x = 72,346,691,413.91/293,396.64
  6. Step 6: Final answer
    x = 246,583.23

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1.5x scale

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.