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Finding the Fourth Proportional to 1,673,740.44, 2,309,770 and 909,794

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Solution

The fourth proportional to 1,673,740.44, 2,309,770 and 909,794 is: 1,255,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,740.44 : 2,309,770 = 909,794 : x
  2. Step 2: Convert to fraction form
    1,673,740.44/2,309,770 = 909,794/x
  3. Step 3: Cross multiply
    1,673,740.44x = 2,309,770 × 909,794
  4. Step 4: Simplify right side
    1,673,740.44x = 2,101,414,887,380
  5. Step 5: Solve for x
    x = 2,101,414,887,380/1,673,740.44
  6. Step 6: Final answer
    x = 1,255,520.17

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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.