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Finding the Fourth Proportional to 467,145, 644,661 and 265,941

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Solution

The fourth proportional to 467,145, 644,661 and 265,941 is: 366,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,145 : 644,661 = 265,941 : x
  2. Step 2: Convert to fraction form
    467,145/644,661 = 265,941/x
  3. Step 3: Cross multiply
    467,145x = 644,661 × 265,941
  4. Step 4: Simplify right side
    467,145x = 171,441,791,001
  5. Step 5: Solve for x
    x = 171,441,791,001/467,145
  6. Step 6: Final answer
    x = 366,999.09

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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.