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Finding the Fourth Proportional to 833.94, 1,250.86 and 248.94

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Solution

The fourth proportional to 833.94, 1,250.86 and 248.94 is: 373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.94 : 1,250.86 = 248.94 : x
  2. Step 2: Convert to fraction form
    833.94/1,250.86 = 248.94/x
  3. Step 3: Cross multiply
    833.94x = 1,250.86 × 248.94
  4. Step 4: Simplify right side
    833.94x = 311,387.88
  5. Step 5: Solve for x
    x = 311,387.88/833.94
  6. Step 6: Final answer
    x = 373.39

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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.