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Finding the Fourth Proportional to 618,849, 854,011.62 and 350,577

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Solution

The fourth proportional to 618,849, 854,011.62 and 350,577 is: 483,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,849 : 854,011.62 = 350,577 : x
  2. Step 2: Convert to fraction form
    618,849/854,011.62 = 350,577/x
  3. Step 3: Cross multiply
    618,849x = 854,011.62 × 350,577
  4. Step 4: Simplify right side
    618,849x = 299,396,831,704.74
  5. Step 5: Solve for x
    x = 299,396,831,704.74/618,849
  6. Step 6: Final answer
    x = 483,796.26

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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.