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Finding the Fourth Proportional to 603,499.80, 832,843.62 and 331,584.66

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Solution

The fourth proportional to 603,499.80, 832,843.62 and 331,584.66 is: 457,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,499.80 : 832,843.62 = 331,584.66 : x
  2. Step 2: Convert to fraction form
    603,499.80/832,843.62 = 331,584.66/x
  3. Step 3: Cross multiply
    603,499.80x = 832,843.62 × 331,584.66
  4. Step 4: Simplify right side
    603,499.80x = 276,158,168,570.87
  5. Step 5: Solve for x
    x = 276,158,168,570.87/603,499.80
  6. Step 6: Final answer
    x = 457,594.47

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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.