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Finding the Fourth Proportional to 368,120.34, 552,078.42 and 233,096.58

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Solution

The fourth proportional to 368,120.34, 552,078.42 and 233,096.58 is: 349,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,120.34 : 552,078.42 = 233,096.58 : x
  2. Step 2: Convert to fraction form
    368,120.34/552,078.42 = 233,096.58/x
  3. Step 3: Cross multiply
    368,120.34x = 552,078.42 × 233,096.58
  4. Step 4: Simplify right side
    368,120.34x = 128,687,591,593.80
  5. Step 5: Solve for x
    x = 128,687,591,593.80/368,120.34
  6. Step 6: Final answer
    x = 349,580.23

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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.