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Finding the Fourth Proportional to 263,798.98, 363,758.85 and 258,263.44

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Solution

The fourth proportional to 263,798.98, 363,758.85 and 258,263.44 is: 356,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,798.98 : 363,758.85 = 258,263.44 : x
  2. Step 2: Convert to fraction form
    263,798.98/363,758.85 = 258,263.44/x
  3. Step 3: Cross multiply
    263,798.98x = 363,758.85 × 258,263.44
  4. Step 4: Simplify right side
    263,798.98x = 93,945,611,022.05
  5. Step 5: Solve for x
    x = 93,945,611,022.05/263,798.98
  6. Step 6: Final answer
    x = 356,125.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.