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Finding the Fourth Proportional to 603,292.82, 832,550.90 and 331,367.01

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Solution

The fourth proportional to 603,292.82, 832,550.90 and 331,367.01 is: 457,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,292.82 : 832,550.90 = 331,367.01 : x
  2. Step 2: Convert to fraction form
    603,292.82/832,550.90 = 331,367.01/x
  3. Step 3: Cross multiply
    603,292.82x = 832,550.90 × 331,367.01
  4. Step 4: Simplify right side
    603,292.82x = 275,879,900,748.97
  5. Step 5: Solve for x
    x = 275,879,900,748.97/603,292.82
  6. Step 6: Final answer
    x = 457,290.21

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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.