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Finding the Fourth Proportional to 490,074.80, 733,729.80 and 476,250.80

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Solution

The fourth proportional to 490,074.80, 733,729.80 and 476,250.80 is: 713,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,074.80 : 733,729.80 = 476,250.80 : x
  2. Step 2: Convert to fraction form
    490,074.80/733,729.80 = 476,250.80/x
  3. Step 3: Cross multiply
    490,074.80x = 733,729.80 × 476,250.80
  4. Step 4: Simplify right side
    490,074.80x = 349,439,404,233.84
  5. Step 5: Solve for x
    x = 349,439,404,233.84/490,074.80
  6. Step 6: Final answer
    x = 713,032.79

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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.