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Finding the Fourth Proportional to 2,654,487, 3,981,745.08 and 659,943

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Solution

The fourth proportional to 2,654,487, 3,981,745.08 and 659,943 is: 989,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,487 : 3,981,745.08 = 659,943 : x
  2. Step 2: Convert to fraction form
    2,654,487/3,981,745.08 = 659,943/x
  3. Step 3: Cross multiply
    2,654,487x = 3,981,745.08 × 659,943
  4. Step 4: Simplify right side
    2,654,487x = 2,627,724,793,330.44
  5. Step 5: Solve for x
    x = 2,627,724,793,330.44/2,654,487
  6. Step 6: Final answer
    x = 989,918.12

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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.