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Finding the Fourth Proportional to 2,796,197.78, 4,192,971.48 and 973,927.19

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Solution

The fourth proportional to 2,796,197.78, 4,192,971.48 and 973,927.19 is: 1,460,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,197.78 : 4,192,971.48 = 973,927.19 : x
  2. Step 2: Convert to fraction form
    2,796,197.78/4,192,971.48 = 973,927.19/x
  3. Step 3: Cross multiply
    2,796,197.78x = 4,192,971.48 × 973,927.19
  4. Step 4: Simplify right side
    2,796,197.78x = 4,083,648,910,301.68
  5. Step 5: Solve for x
    x = 4,083,648,910,301.68/2,796,197.78
  6. Step 6: Final answer
    x = 1,460,429.21

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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.