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Finding the Fourth Proportional to 304,690.10, 455,998.35 and 267,365.30

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Solution

The fourth proportional to 304,690.10, 455,998.35 and 267,365.30 is: 400,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,690.10 : 455,998.35 = 267,365.30 : x
  2. Step 2: Convert to fraction form
    304,690.10/455,998.35 = 267,365.30/x
  3. Step 3: Cross multiply
    304,690.10x = 455,998.35 × 267,365.30
  4. Step 4: Simplify right side
    304,690.10x = 121,918,135,647.26
  5. Step 5: Solve for x
    x = 121,918,135,647.26/304,690.10
  6. Step 6: Final answer
    x = 400,138.16

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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.