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Finding the Fourth Proportional to 1,742,368.73, 2,614,223.30 and 843,741.36

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Solution

The fourth proportional to 1,742,368.73, 2,614,223.30 and 843,741.36 is: 1,265,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,368.73 : 2,614,223.30 = 843,741.36 : x
  2. Step 2: Convert to fraction form
    1,742,368.73/2,614,223.30 = 843,741.36/x
  3. Step 3: Cross multiply
    1,742,368.73x = 2,614,223.30 × 843,741.36
  4. Step 4: Simplify right side
    1,742,368.73x = 2,205,728,318,266.98
  5. Step 5: Solve for x
    x = 2,205,728,318,266.98/1,742,368.73
  6. Step 6: Final answer
    x = 1,265,936.59

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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.