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Finding the Fourth Proportional to 603,783.71, 833,221.79 and 331,849.36

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Solution

The fourth proportional to 603,783.71, 833,221.79 and 331,849.36 is: 457,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,783.71 : 833,221.79 = 331,849.36 : x
  2. Step 2: Convert to fraction form
    603,783.71/833,221.79 = 331,849.36/x
  3. Step 3: Cross multiply
    603,783.71x = 833,221.79 × 331,849.36
  4. Step 4: Simplify right side
    603,783.71x = 276,504,117,749.55
  5. Step 5: Solve for x
    x = 276,504,117,749.55/603,783.71
  6. Step 6: Final answer
    x = 457,952.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.