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Finding the Fourth Proportional to 349,481.38, 524,135.40 and 149,779.12

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Solution

The fourth proportional to 349,481.38, 524,135.40 and 149,779.12 is: 224,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,481.38 : 524,135.40 = 149,779.12 : x
  2. Step 2: Convert to fraction form
    349,481.38/524,135.40 = 149,779.12/x
  3. Step 3: Cross multiply
    349,481.38x = 524,135.40 × 149,779.12
  4. Step 4: Simplify right side
    349,481.38x = 78,504,538,972.85
  5. Step 5: Solve for x
    x = 78,504,538,972.85/349,481.38
  6. Step 6: Final answer
    x = 224,631.54

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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.