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Finding the Fourth Proportional to 368,233.92, 551,898 and 190,639.44

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Solution

The fourth proportional to 368,233.92, 551,898 and 190,639.44 is: 285,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,233.92 : 551,898 = 190,639.44 : x
  2. Step 2: Convert to fraction form
    368,233.92/551,898 = 190,639.44/x
  3. Step 3: Cross multiply
    368,233.92x = 551,898 × 190,639.44
  4. Step 4: Simplify right side
    368,233.92x = 105,213,525,657.12
  5. Step 5: Solve for x
    x = 105,213,525,657.12/368,233.92
  6. Step 6: Final answer
    x = 285,724.70

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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.