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Finding the Fourth Proportional to 333,791.55, 500,537.61 and 198,919.26

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Solution

The fourth proportional to 333,791.55, 500,537.61 and 198,919.26 is: 298,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,791.55 : 500,537.61 = 198,919.26 : x
  2. Step 2: Convert to fraction form
    333,791.55/500,537.61 = 198,919.26/x
  3. Step 3: Cross multiply
    333,791.55x = 500,537.61 × 198,919.26
  4. Step 4: Simplify right side
    333,791.55x = 99,566,570,983.37
  5. Step 5: Solve for x
    x = 99,566,570,983.37/333,791.55
  6. Step 6: Final answer
    x = 298,289.67

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1.5x scale

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.