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Finding the Fourth Proportional to 753,419.60, 1,131,972.60 and 566,795.60

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Solution

The fourth proportional to 753,419.60, 1,131,972.60 and 566,795.60 is: 851,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,419.60 : 1,131,972.60 = 566,795.60 : x
  2. Step 2: Convert to fraction form
    753,419.60/1,131,972.60 = 566,795.60/x
  3. Step 3: Cross multiply
    753,419.60x = 1,131,972.60 × 566,795.60
  4. Step 4: Simplify right side
    753,419.60x = 641,597,089,000.56
  5. Step 5: Solve for x
    x = 641,597,089,000.56/753,419.60
  6. Step 6: Final answer
    x = 851,580.03

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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.