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Finding the Fourth Proportional to 483,844.78, 667,722.91 and 266,070.07

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Solution

The fourth proportional to 483,844.78, 667,722.91 and 266,070.07 is: 367,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,844.78 : 667,722.91 = 266,070.07 : x
  2. Step 2: Convert to fraction form
    483,844.78/667,722.91 = 266,070.07/x
  3. Step 3: Cross multiply
    483,844.78x = 667,722.91 × 266,070.07
  4. Step 4: Simplify right side
    483,844.78x = 177,661,081,404.30
  5. Step 5: Solve for x
    x = 177,661,081,404.30/483,844.78
  6. Step 6: Final answer
    x = 367,186.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.