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Finding the Fourth Proportional to 368,204.78, 552,301.60 and 165,657.84

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Solution

The fourth proportional to 368,204.78, 552,301.60 and 165,657.84 is: 248,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,204.78 : 552,301.60 = 165,657.84 : x
  2. Step 2: Convert to fraction form
    368,204.78/552,301.60 = 165,657.84/x
  3. Step 3: Cross multiply
    368,204.78x = 552,301.60 × 165,657.84
  4. Step 4: Simplify right side
    368,204.78x = 91,493,090,084.54
  5. Step 5: Solve for x
    x = 91,493,090,084.54/368,204.78
  6. Step 6: Final answer
    x = 248,484.25

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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.