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Finding the Fourth Proportional to 603,464.96, 832,781.98 and 331,550.40

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Solution

The fourth proportional to 603,464.96, 832,781.98 and 331,550.40 is: 457,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,464.96 : 832,781.98 = 331,550.40 : x
  2. Step 2: Convert to fraction form
    603,464.96/832,781.98 = 331,550.40/x
  3. Step 3: Cross multiply
    603,464.96x = 832,781.98 × 331,550.40
  4. Step 4: Simplify right side
    603,464.96x = 276,109,198,581.79
  5. Step 5: Solve for x
    x = 276,109,198,581.79/603,464.96
  6. Step 6: Final answer
    x = 457,539.74

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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.