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Finding the Fourth Proportional to 881,027.80, 1,321,541.70 and 731,566.60

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Solution

The fourth proportional to 881,027.80, 1,321,541.70 and 731,566.60 is: 1,097,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,027.80 : 1,321,541.70 = 731,566.60 : x
  2. Step 2: Convert to fraction form
    881,027.80/1,321,541.70 = 731,566.60/x
  3. Step 3: Cross multiply
    881,027.80x = 1,321,541.70 × 731,566.60
  4. Step 4: Simplify right side
    881,027.80x = 966,795,768,227.22
  5. Step 5: Solve for x
    x = 966,795,768,227.22/881,027.80
  6. Step 6: Final answer
    x = 1,097,349.90

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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.