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Finding the Fourth Proportional to 250,809.84, 375,993.30 and 191,908.44

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Solution

The fourth proportional to 250,809.84, 375,993.30 and 191,908.44 is: 287,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,809.84 : 375,993.30 = 191,908.44 : x
  2. Step 2: Convert to fraction form
    250,809.84/375,993.30 = 191,908.44/x
  3. Step 3: Cross multiply
    250,809.84x = 375,993.30 × 191,908.44
  4. Step 4: Simplify right side
    250,809.84x = 72,156,287,653.45
  5. Step 5: Solve for x
    x = 72,156,287,653.45/250,809.84
  6. Step 6: Final answer
    x = 287,693.21

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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.