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Finding the Fourth Proportional to 351,191, 526,801.24 and 111,299.68

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Solution

The fourth proportional to 351,191, 526,801.24 and 111,299.68 is: 166,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,191 : 526,801.24 = 111,299.68 : x
  2. Step 2: Convert to fraction form
    351,191/526,801.24 = 111,299.68/x
  3. Step 3: Cross multiply
    351,191x = 526,801.24 × 111,299.68
  4. Step 4: Simplify right side
    351,191x = 58,632,809,435.60
  5. Step 5: Solve for x
    x = 58,632,809,435.60/351,191
  6. Step 6: Final answer
    x = 166,954.19

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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.