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Finding the Fourth Proportional to 368,049.60, 552,074.40 and 329,558.40

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Solution

The fourth proportional to 368,049.60, 552,074.40 and 329,558.40 is: 494,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,049.60 : 552,074.40 = 329,558.40 : x
  2. Step 2: Convert to fraction form
    368,049.60/552,074.40 = 329,558.40/x
  3. Step 3: Cross multiply
    368,049.60x = 552,074.40 × 329,558.40
  4. Step 4: Simplify right side
    368,049.60x = 181,940,755,944.96
  5. Step 5: Solve for x
    x = 181,940,755,944.96/368,049.60
  6. Step 6: Final answer
    x = 494,337.60

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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.