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Finding the Fourth Proportional to 365,311.87, 504,108.66 and 201,958.59

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Solution

The fourth proportional to 365,311.87, 504,108.66 and 201,958.59 is: 278,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,311.87 : 504,108.66 = 201,958.59 : x
  2. Step 2: Convert to fraction form
    365,311.87/504,108.66 = 201,958.59/x
  3. Step 3: Cross multiply
    365,311.87x = 504,108.66 × 201,958.59
  4. Step 4: Simplify right side
    365,311.87x = 101,809,075,410.34
  5. Step 5: Solve for x
    x = 101,809,075,410.34/365,311.87
  6. Step 6: Final answer
    x = 278,690.85

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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.