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Finding the Fourth Proportional to 467,338, 644,926.44 and 255,370

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Solution

The fourth proportional to 467,338, 644,926.44 and 255,370 is: 352,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,338 : 644,926.44 = 255,370 : x
  2. Step 2: Convert to fraction form
    467,338/644,926.44 = 255,370/x
  3. Step 3: Cross multiply
    467,338x = 644,926.44 × 255,370
  4. Step 4: Simplify right side
    467,338x = 164,694,864,982.80
  5. Step 5: Solve for x
    x = 164,694,864,982.80/467,338
  6. Step 6: Final answer
    x = 352,410.60

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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.