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Finding the Fourth Proportional to 436,522.32, 654,791.58 and 136,996.20

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Solution

The fourth proportional to 436,522.32, 654,791.58 and 136,996.20 is: 205,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,522.32 : 654,791.58 = 136,996.20 : x
  2. Step 2: Convert to fraction form
    436,522.32/654,791.58 = 136,996.20/x
  3. Step 3: Cross multiply
    436,522.32x = 654,791.58 × 136,996.20
  4. Step 4: Simplify right side
    436,522.32x = 89,703,958,252.00
  5. Step 5: Solve for x
    x = 89,703,958,252.00/436,522.32
  6. Step 6: Final answer
    x = 205,496.84

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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.