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Finding the Fourth Proportional to 628,231.94, 941,803.58 and 254,011.94

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Solution

The fourth proportional to 628,231.94, 941,803.58 and 254,011.94 is: 380,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,231.94 : 941,803.58 = 254,011.94 : x
  2. Step 2: Convert to fraction form
    628,231.94/941,803.58 = 254,011.94/x
  3. Step 3: Cross multiply
    628,231.94x = 941,803.58 × 254,011.94
  4. Step 4: Simplify right side
    628,231.94x = 239,229,354,454.75
  5. Step 5: Solve for x
    x = 239,229,354,454.75/628,231.94
  6. Step 6: Final answer
    x = 380,797.82

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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.