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Finding the Fourth Proportional to 603,298.23, 832,558.41 and 331,372.50

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Solution

The fourth proportional to 603,298.23, 832,558.41 and 331,372.50 is: 457,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,298.23 : 832,558.41 = 331,372.50 : x
  2. Step 2: Convert to fraction form
    603,298.23/832,558.41 = 331,372.50/x
  3. Step 3: Cross multiply
    603,298.23x = 832,558.41 × 331,372.50
  4. Step 4: Simplify right side
    603,298.23x = 275,886,961,717.73
  5. Step 5: Solve for x
    x = 275,886,961,717.73/603,298.23
  6. Step 6: Final answer
    x = 457,297.81

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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.