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Finding the Fourth Proportional to 603,295.08, 832,692.21 and 345,321.59

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Solution

The fourth proportional to 603,295.08, 832,692.21 and 345,321.59 is: 476,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,295.08 : 832,692.21 = 345,321.59 : x
  2. Step 2: Convert to fraction form
    603,295.08/832,692.21 = 345,321.59/x
  3. Step 3: Cross multiply
    603,295.08x = 832,692.21 × 345,321.59
  4. Step 4: Simplify right side
    603,295.08x = 287,546,596,713.43
  5. Step 5: Solve for x
    x = 287,546,596,713.43/603,295.08
  6. Step 6: Final answer
    x = 476,626.79

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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.