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Finding the Fourth Proportional to 1,839,387.51, 2,776,359.14 and 1,839,387.51

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Solution

The fourth proportional to 1,839,387.51, 2,776,359.14 and 1,839,387.51 is: 2,776,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,387.51 : 2,776,359.14 = 1,839,387.51 : x
  2. Step 2: Convert to fraction form
    1,839,387.51/2,776,359.14 = 1,839,387.51/x
  3. Step 3: Cross multiply
    1,839,387.51x = 2,776,359.14 × 1,839,387.51
  4. Step 4: Simplify right side
    1,839,387.51x = 5,106,800,330,899.62
  5. Step 5: Solve for x
    x = 5,106,800,330,899.62/1,839,387.51
  6. Step 6: Final answer
    x = 2,776,359.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.