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Finding the Fourth Proportional to 1,953,813.83, 2,694,916.89 and 1,374,266.12

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Solution

The fourth proportional to 1,953,813.83, 2,694,916.89 and 1,374,266.12 is: 1,895,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,813.83 : 2,694,916.89 = 1,374,266.12 : x
  2. Step 2: Convert to fraction form
    1,953,813.83/2,694,916.89 = 1,374,266.12/x
  3. Step 3: Cross multiply
    1,953,813.83x = 2,694,916.89 × 1,374,266.12
  4. Step 4: Simplify right side
    1,953,813.83x = 3,703,532,964,668.18
  5. Step 5: Solve for x
    x = 3,703,532,964,668.18/1,953,813.83
  6. Step 6: Final answer
    x = 1,895,540.36

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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.