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Finding the Fourth Proportional to 379,069.78, 522,896.98 and 244,933.78

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Solution

The fourth proportional to 379,069.78, 522,896.98 and 244,933.78 is: 337,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,069.78 : 522,896.98 = 244,933.78 : x
  2. Step 2: Convert to fraction form
    379,069.78/522,896.98 = 244,933.78/x
  3. Step 3: Cross multiply
    379,069.78x = 522,896.98 × 244,933.78
  4. Step 4: Simplify right side
    379,069.78x = 128,075,133,861.98
  5. Step 5: Solve for x
    x = 128,075,133,861.98/379,069.78
  6. Step 6: Final answer
    x = 337,866.91

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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.