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Finding the Fourth Proportional to 737,313.20, 1,103,896.20 and 662,663.60

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Solution

The fourth proportional to 737,313.20, 1,103,896.20 and 662,663.60 is: 992,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,313.20 : 1,103,896.20 = 662,663.60 : x
  2. Step 2: Convert to fraction form
    737,313.20/1,103,896.20 = 662,663.60/x
  3. Step 3: Cross multiply
    737,313.20x = 1,103,896.20 × 662,663.60
  4. Step 4: Simplify right side
    737,313.20x = 731,511,829,918.32
  5. Step 5: Solve for x
    x = 731,511,829,918.32/737,313.20
  6. Step 6: Final answer
    x = 992,131.74

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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.