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Finding the Fourth Proportional to 943,027.22, 1,301,406.22 and 667,878

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Solution

The fourth proportional to 943,027.22, 1,301,406.22 and 667,878 is: 921,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,027.22 : 1,301,406.22 = 667,878 : x
  2. Step 2: Convert to fraction form
    943,027.22/1,301,406.22 = 667,878/x
  3. Step 3: Cross multiply
    943,027.22x = 1,301,406.22 × 667,878
  4. Step 4: Simplify right side
    943,027.22x = 869,180,583,401.16
  5. Step 5: Solve for x
    x = 869,180,583,401.16/943,027.22
  6. Step 6: Final answer
    x = 921,691.94

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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.