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Finding the Fourth Proportional to 1,791,153, 2,471,791.14 and 986,337

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Solution

The fourth proportional to 1,791,153, 2,471,791.14 and 986,337 is: 1,361,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,153 : 2,471,791.14 = 986,337 : x
  2. Step 2: Convert to fraction form
    1,791,153/2,471,791.14 = 986,337/x
  3. Step 3: Cross multiply
    1,791,153x = 2,471,791.14 × 986,337
  4. Step 4: Simplify right side
    1,791,153x = 2,438,019,057,654.18
  5. Step 5: Solve for x
    x = 2,438,019,057,654.18/1,791,153
  6. Step 6: Final answer
    x = 1,361,145.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.