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Finding the Fourth Proportional to 603,772.69, 833,214.93 and 331,865.72

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Solution

The fourth proportional to 603,772.69, 833,214.93 and 331,865.72 is: 457,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,772.69 : 833,214.93 = 331,865.72 : x
  2. Step 2: Convert to fraction form
    603,772.69/833,214.93 = 331,865.72/x
  3. Step 3: Cross multiply
    603,772.69x = 833,214.93 × 331,865.72
  4. Step 4: Simplify right side
    603,772.69x = 276,515,472,659.20
  5. Step 5: Solve for x
    x = 276,515,472,659.20/603,772.69
  6. Step 6: Final answer
    x = 457,979.43

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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.