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Finding the Fourth Proportional to 251,202.10, 376,803.15 and 233,487.40

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Solution

The fourth proportional to 251,202.10, 376,803.15 and 233,487.40 is: 350,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,202.10 : 376,803.15 = 233,487.40 : x
  2. Step 2: Convert to fraction form
    251,202.10/376,803.15 = 233,487.40/x
  3. Step 3: Cross multiply
    251,202.10x = 376,803.15 × 233,487.40
  4. Step 4: Simplify right side
    251,202.10x = 87,978,787,805.31
  5. Step 5: Solve for x
    x = 87,978,787,805.31/251,202.10
  6. Step 6: Final answer
    x = 350,231.10

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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.