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Finding the Fourth Proportional to 467,329, 644,914.02 and 255,361

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Solution

The fourth proportional to 467,329, 644,914.02 and 255,361 is: 352,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,329 : 644,914.02 = 255,361 : x
  2. Step 2: Convert to fraction form
    467,329/644,914.02 = 255,361/x
  3. Step 3: Cross multiply
    467,329x = 644,914.02 × 255,361
  4. Step 4: Simplify right side
    467,329x = 164,685,889,061.22
  5. Step 5: Solve for x
    x = 164,685,889,061.22/467,329
  6. Step 6: Final answer
    x = 352,398.18

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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.