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Finding the Fourth Proportional to 295,611.44, 407,946.48 and 168,295.28

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Solution

The fourth proportional to 295,611.44, 407,946.48 and 168,295.28 is: 232,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,611.44 : 407,946.48 = 168,295.28 : x
  2. Step 2: Convert to fraction form
    295,611.44/407,946.48 = 168,295.28/x
  3. Step 3: Cross multiply
    295,611.44x = 407,946.48 × 168,295.28
  4. Step 4: Simplify right side
    295,611.44x = 68,655,467,076.61
  5. Step 5: Solve for x
    x = 68,655,467,076.61/295,611.44
  6. Step 6: Final answer
    x = 232,249.02

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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.