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Finding the Fourth Proportional to 854,668.44, 1,282,004.84 and 349,229.42

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Solution

The fourth proportional to 854,668.44, 1,282,004.84 and 349,229.42 is: 523,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,668.44 : 1,282,004.84 = 349,229.42 : x
  2. Step 2: Convert to fraction form
    854,668.44/1,282,004.84 = 349,229.42/x
  3. Step 3: Cross multiply
    854,668.44x = 1,282,004.84 × 349,229.42
  4. Step 4: Simplify right side
    854,668.44x = 447,713,798,554.22
  5. Step 5: Solve for x
    x = 447,713,798,554.22/854,668.44
  6. Step 6: Final answer
    x = 523,845.01

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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.