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Finding the Fourth Proportional to 433,936.56, 598,833.36 and 242,958

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Solution

The fourth proportional to 433,936.56, 598,833.36 and 242,958 is: 335,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,936.56 : 598,833.36 = 242,958 : x
  2. Step 2: Convert to fraction form
    433,936.56/598,833.36 = 242,958/x
  3. Step 3: Cross multiply
    433,936.56x = 598,833.36 × 242,958
  4. Step 4: Simplify right side
    433,936.56x = 145,491,355,478.88
  5. Step 5: Solve for x
    x = 145,491,355,478.88/433,936.56
  6. Step 6: Final answer
    x = 335,282.55

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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.