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Finding the Fourth Proportional to 303,749.70, 454,968.45 and 264,383.70

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Solution

The fourth proportional to 303,749.70, 454,968.45 and 264,383.70 is: 396,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,749.70 : 454,968.45 = 264,383.70 : x
  2. Step 2: Convert to fraction form
    303,749.70/454,968.45 = 264,383.70/x
  3. Step 3: Cross multiply
    303,749.70x = 454,968.45 × 264,383.70
  4. Step 4: Simplify right side
    303,749.70x = 120,286,242,194.27
  5. Step 5: Solve for x
    x = 120,286,242,194.27/303,749.70
  6. Step 6: Final answer
    x = 396,004.48

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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.