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Finding the Fourth Proportional to 666,204, 919,374.48 and 364,404.48

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Solution

The fourth proportional to 666,204, 919,374.48 and 364,404.48 is: 502,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,204 : 919,374.48 = 364,404.48 : x
  2. Step 2: Convert to fraction form
    666,204/919,374.48 = 364,404.48/x
  3. Step 3: Cross multiply
    666,204x = 919,374.48 × 364,404.48
  4. Step 4: Simplify right side
    666,204x = 335,024,179,309.67
  5. Step 5: Solve for x
    x = 335,024,179,309.67/666,204
  6. Step 6: Final answer
    x = 502,885.27

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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.