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Finding the Fourth Proportional to 1,664,608.03, 2,296,912.80 and 1,010,894.11

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Solution

The fourth proportional to 1,664,608.03, 2,296,912.80 and 1,010,894.11 is: 1,394,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,608.03 : 2,296,912.80 = 1,010,894.11 : x
  2. Step 2: Convert to fraction form
    1,664,608.03/2,296,912.80 = 1,010,894.11/x
  3. Step 3: Cross multiply
    1,664,608.03x = 2,296,912.80 × 1,010,894.11
  4. Step 4: Simplify right side
    1,664,608.03x = 2,321,935,620,703.61
  5. Step 5: Solve for x
    x = 2,321,935,620,703.61/1,664,608.03
  6. Step 6: Final answer
    x = 1,394,884.31

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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.