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Finding the Fourth Proportional to 467,151, 644,669.28 and 265,947

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Solution

The fourth proportional to 467,151, 644,669.28 and 265,947 is: 367,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,151 : 644,669.28 = 265,947 : x
  2. Step 2: Convert to fraction form
    467,151/644,669.28 = 265,947/x
  3. Step 3: Cross multiply
    467,151x = 644,669.28 × 265,947
  4. Step 4: Simplify right side
    467,151x = 171,447,861,008.16
  5. Step 5: Solve for x
    x = 171,447,861,008.16/467,151
  6. Step 6: Final answer
    x = 367,007.37

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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.