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Finding the Fourth Proportional to 993,605.82, 1,485,830.61 and 737,921.22

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Solution

The fourth proportional to 993,605.82, 1,485,830.61 and 737,921.22 is: 1,103,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,605.82 : 1,485,830.61 = 737,921.22 : x
  2. Step 2: Convert to fraction form
    993,605.82/1,485,830.61 = 737,921.22/x
  3. Step 3: Cross multiply
    993,605.82x = 1,485,830.61 × 737,921.22
  4. Step 4: Simplify right side
    993,605.82x = 1,096,425,936,444.54
  5. Step 5: Solve for x
    x = 1,096,425,936,444.54/993,605.82
  6. Step 6: Final answer
    x = 1,103,481.80

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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.