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Finding the Fourth Proportional to 2,650,888.22, 3,977,759.34 and 1,053,465.14

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Solution

The fourth proportional to 2,650,888.22, 3,977,759.34 and 1,053,465.14 is: 1,580,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,888.22 : 3,977,759.34 = 1,053,465.14 : x
  2. Step 2: Convert to fraction form
    2,650,888.22/3,977,759.34 = 1,053,465.14/x
  3. Step 3: Cross multiply
    2,650,888.22x = 3,977,759.34 × 1,053,465.14
  4. Step 4: Simplify right side
    2,650,888.22x = 4,190,430,809,943.81
  5. Step 5: Solve for x
    x = 4,190,430,809,943.81/2,650,888.22
  6. Step 6: Final answer
    x = 1,580,764.81

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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.