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Finding the Fourth Proportional to 882,408.60, 1,321,644.60 and 764,310.60

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Solution

The fourth proportional to 882,408.60, 1,321,644.60 and 764,310.60 is: 1,144,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,408.60 : 1,321,644.60 = 764,310.60 : x
  2. Step 2: Convert to fraction form
    882,408.60/1,321,644.60 = 764,310.60/x
  3. Step 3: Cross multiply
    882,408.60x = 1,321,644.60 × 764,310.60
  4. Step 4: Simplify right side
    882,408.60x = 1,010,146,977,212.76
  5. Step 5: Solve for x
    x = 1,010,146,977,212.76/882,408.60
  6. Step 6: Final answer
    x = 1,144,761.03

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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.