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Finding the Fourth Proportional to 833,894.64, 1,250,866.28 and 301,321.28

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Solution

The fourth proportional to 833,894.64, 1,250,866.28 and 301,321.28 is: 451,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,894.64 : 1,250,866.28 = 301,321.28 : x
  2. Step 2: Convert to fraction form
    833,894.64/1,250,866.28 = 301,321.28/x
  3. Step 3: Cross multiply
    833,894.64x = 1,250,866.28 × 301,321.28
  4. Step 4: Simplify right side
    833,894.64x = 376,912,628,598.44
  5. Step 5: Solve for x
    x = 376,912,628,598.44/833,894.64
  6. Step 6: Final answer
    x = 451,990.71

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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.