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Finding the Fourth Proportional to 1,297,197.06, 1,945,839.33 and 350,575.98

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Solution

The fourth proportional to 1,297,197.06, 1,945,839.33 and 350,575.98 is: 525,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,197.06 : 1,945,839.33 = 350,575.98 : x
  2. Step 2: Convert to fraction form
    1,297,197.06/1,945,839.33 = 350,575.98/x
  3. Step 3: Cross multiply
    1,297,197.06x = 1,945,839.33 × 350,575.98
  4. Step 4: Simplify right side
    1,297,197.06x = 682,164,530,037.29
  5. Step 5: Solve for x
    x = 682,164,530,037.29/1,297,197.06
  6. Step 6: Final answer
    x = 525,875.79

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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.