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Finding the Fourth Proportional to 603,489.80, 832,821.59 and 331,563.35

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Solution

The fourth proportional to 603,489.80, 832,821.59 and 331,563.35 is: 457,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,489.80 : 832,821.59 = 331,563.35 : x
  2. Step 2: Convert to fraction form
    603,489.80/832,821.59 = 331,563.35/x
  3. Step 3: Cross multiply
    603,489.80x = 832,821.59 × 331,563.35
  4. Step 4: Simplify right side
    603,489.80x = 276,133,110,510.80
  5. Step 5: Solve for x
    x = 276,133,110,510.80/603,489.80
  6. Step 6: Final answer
    x = 457,560.53

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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.