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Finding the Fourth Proportional to 267,480.80, 401,091.60 and 149,026.40

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Solution

The fourth proportional to 267,480.80, 401,091.60 and 149,026.40 is: 223,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,480.80 : 401,091.60 = 149,026.40 : x
  2. Step 2: Convert to fraction form
    267,480.80/401,091.60 = 149,026.40/x
  3. Step 3: Cross multiply
    267,480.80x = 401,091.60 × 149,026.40
  4. Step 4: Simplify right side
    267,480.80x = 59,773,237,218.24
  5. Step 5: Solve for x
    x = 59,773,237,218.24/267,480.80
  6. Step 6: Final answer
    x = 223,467.39

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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.