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Finding the Fourth Proportional to 603,713.52, 833,140.68 and 331,789.20

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Solution

The fourth proportional to 603,713.52, 833,140.68 and 331,789.20 is: 457,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,713.52 : 833,140.68 = 331,789.20 : x
  2. Step 2: Convert to fraction form
    603,713.52/833,140.68 = 331,789.20/x
  3. Step 3: Cross multiply
    603,713.52x = 833,140.68 × 331,789.20
  4. Step 4: Simplify right side
    603,713.52x = 276,427,079,704.66
  5. Step 5: Solve for x
    x = 276,427,079,704.66/603,713.52
  6. Step 6: Final answer
    x = 457,877.90

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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.