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Finding the Fourth Proportional to 603,116.22, 832,314.88 and 327,485.80

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Solution

The fourth proportional to 603,116.22, 832,314.88 and 327,485.80 is: 451,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,116.22 : 832,314.88 = 327,485.80 : x
  2. Step 2: Convert to fraction form
    603,116.22/832,314.88 = 327,485.80/x
  3. Step 3: Cross multiply
    603,116.22x = 832,314.88 × 327,485.80
  4. Step 4: Simplify right side
    603,116.22x = 272,571,304,328.70
  5. Step 5: Solve for x
    x = 272,571,304,328.70/603,116.22
  6. Step 6: Final answer
    x = 451,938.28

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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.