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Finding the Fourth Proportional to 373,408.60, 559,076.10 and 363,040.60

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Solution

The fourth proportional to 373,408.60, 559,076.10 and 363,040.60 is: 543,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,408.60 : 559,076.10 = 363,040.60 : x
  2. Step 2: Convert to fraction form
    373,408.60/559,076.10 = 363,040.60/x
  3. Step 3: Cross multiply
    373,408.60x = 559,076.10 × 363,040.60
  4. Step 4: Simplify right side
    373,408.60x = 202,967,322,789.66
  5. Step 5: Solve for x
    x = 202,967,322,789.66/373,408.60
  6. Step 6: Final answer
    x = 543,552.89

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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.