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Finding the Fourth Proportional to 992,699.22, 1,488,483.87 and 677,537.94

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Solution

The fourth proportional to 992,699.22, 1,488,483.87 and 677,537.94 is: 1,015,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,699.22 : 1,488,483.87 = 677,537.94 : x
  2. Step 2: Convert to fraction form
    992,699.22/1,488,483.87 = 677,537.94/x
  3. Step 3: Cross multiply
    992,699.22x = 1,488,483.87 × 677,537.94
  4. Step 4: Simplify right side
    992,699.22x = 1,008,504,295,003.03
  5. Step 5: Solve for x
    x = 1,008,504,295,003.03/992,699.22
  6. Step 6: Final answer
    x = 1,015,921.31

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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.