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Finding the Fourth Proportional to 267,699.40, 401,636.58 and 192,758.20

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Solution

The fourth proportional to 267,699.40, 401,636.58 and 192,758.20 is: 289,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,699.40 : 401,636.58 = 192,758.20 : x
  2. Step 2: Convert to fraction form
    267,699.40/401,636.58 = 192,758.20/x
  3. Step 3: Cross multiply
    267,699.40x = 401,636.58 × 192,758.20
  4. Step 4: Simplify right side
    267,699.40x = 77,418,744,214.96
  5. Step 5: Solve for x
    x = 77,418,744,214.96/267,699.40
  6. Step 6: Final answer
    x = 289,200.29

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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.