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Finding the Fourth Proportional to 368,175.40, 552,003.90 and 168,591.40

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Solution

The fourth proportional to 368,175.40, 552,003.90 and 168,591.40 is: 252,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,175.40 : 552,003.90 = 168,591.40 : x
  2. Step 2: Convert to fraction form
    368,175.40/552,003.90 = 168,591.40/x
  3. Step 3: Cross multiply
    368,175.40x = 552,003.90 × 168,591.40
  4. Step 4: Simplify right side
    368,175.40x = 93,063,110,306.46
  5. Step 5: Solve for x
    x = 93,063,110,306.46/368,175.40
  6. Step 6: Final answer
    x = 252,768.41

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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.