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Finding the Fourth Proportional to 604,994.44, 905,906.22 and 426,535.24

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Solution

The fourth proportional to 604,994.44, 905,906.22 and 426,535.24 is: 638,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,994.44 : 905,906.22 = 426,535.24 : x
  2. Step 2: Convert to fraction form
    604,994.44/905,906.22 = 426,535.24/x
  3. Step 3: Cross multiply
    604,994.44x = 905,906.22 × 426,535.24
  4. Step 4: Simplify right side
    604,994.44x = 386,400,926,965.19
  5. Step 5: Solve for x
    x = 386,400,926,965.19/604,994.44
  6. Step 6: Final answer
    x = 638,685.09

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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.