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Finding the Fourth Proportional to 262,841.45, 394,294.95 and 102,896.73

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Solution

The fourth proportional to 262,841.45, 394,294.95 and 102,896.73 is: 154,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,841.45 : 394,294.95 = 102,896.73 : x
  2. Step 2: Convert to fraction form
    262,841.45/394,294.95 = 102,896.73/x
  3. Step 3: Cross multiply
    262,841.45x = 394,294.95 × 102,896.73
  4. Step 4: Simplify right side
    262,841.45x = 40,571,661,010.51
  5. Step 5: Solve for x
    x = 40,571,661,010.51/262,841.45
  6. Step 6: Final answer
    x = 154,357.93

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1.5x scale

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.