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Finding the Fourth Proportional to 368,158.96, 551,516.73 and 190,782.33

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Solution

The fourth proportional to 368,158.96, 551,516.73 and 190,782.33 is: 285,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,158.96 : 551,516.73 = 190,782.33 : x
  2. Step 2: Convert to fraction form
    368,158.96/551,516.73 = 190,782.33/x
  3. Step 3: Cross multiply
    368,158.96x = 551,516.73 × 190,782.33
  4. Step 4: Simplify right side
    368,158.96x = 105,219,646,783.38
  5. Step 5: Solve for x
    x = 105,219,646,783.38/368,158.96
  6. Step 6: Final answer
    x = 285,799.50

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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.