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Finding the Fourth Proportional to 713,241.80, 1,068,735.88 and 263,342.60

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Solution

The fourth proportional to 713,241.80, 1,068,735.88 and 263,342.60 is: 394,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,241.80 : 1,068,735.88 = 263,342.60 : x
  2. Step 2: Convert to fraction form
    713,241.80/1,068,735.88 = 263,342.60/x
  3. Step 3: Cross multiply
    713,241.80x = 1,068,735.88 × 263,342.60
  4. Step 4: Simplify right side
    713,241.80x = 281,443,685,352.49
  5. Step 5: Solve for x
    x = 281,443,685,352.49/713,241.80
  6. Step 6: Final answer
    x = 394,597.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.