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Finding the Fourth Proportional to 270,922.90, 405,801.15 and 224,266.90

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Solution

The fourth proportional to 270,922.90, 405,801.15 and 224,266.90 is: 335,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,922.90 : 405,801.15 = 224,266.90 : x
  2. Step 2: Convert to fraction form
    270,922.90/405,801.15 = 224,266.90/x
  3. Step 3: Cross multiply
    270,922.90x = 405,801.15 × 224,266.90
  4. Step 4: Simplify right side
    270,922.90x = 91,007,765,926.94
  5. Step 5: Solve for x
    x = 91,007,765,926.94/270,922.90
  6. Step 6: Final answer
    x = 335,917.58

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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.