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Finding the Fourth Proportional to 267,339.90, 401,636.96 and 252,208.28

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Solution

The fourth proportional to 267,339.90, 401,636.96 and 252,208.28 is: 378,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,339.90 : 401,636.96 = 252,208.28 : x
  2. Step 2: Convert to fraction form
    267,339.90/401,636.96 = 252,208.28/x
  3. Step 3: Cross multiply
    267,339.90x = 401,636.96 × 252,208.28
  4. Step 4: Simplify right side
    267,339.90x = 101,296,166,866.03
  5. Step 5: Solve for x
    x = 101,296,166,866.03/267,339.90
  6. Step 6: Final answer
    x = 378,904.04

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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.