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Finding the Fourth Proportional to 1,731,736.91, 2,389,903.04 and 967,851.47

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Solution

The fourth proportional to 1,731,736.91, 2,389,903.04 and 967,851.47 is: 1,335,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,736.91 : 2,389,903.04 = 967,851.47 : x
  2. Step 2: Convert to fraction form
    1,731,736.91/2,389,903.04 = 967,851.47/x
  3. Step 3: Cross multiply
    1,731,736.91x = 2,389,903.04 × 967,851.47
  4. Step 4: Simplify right side
    1,731,736.91x = 2,313,071,170,421.47
  5. Step 5: Solve for x
    x = 2,313,071,170,421.47/1,731,736.91
  6. Step 6: Final answer
    x = 1,335,694.33

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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.