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Finding the Fourth Proportional to 465,999.48, 643,295.88 and 351,324.54

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Solution

The fourth proportional to 465,999.48, 643,295.88 and 351,324.54 is: 484,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,999.48 : 643,295.88 = 351,324.54 : x
  2. Step 2: Convert to fraction form
    465,999.48/643,295.88 = 351,324.54/x
  3. Step 3: Cross multiply
    465,999.48x = 643,295.88 × 351,324.54
  4. Step 4: Simplify right side
    465,999.48x = 226,005,629,124.90
  5. Step 5: Solve for x
    x = 226,005,629,124.90/465,999.48
  6. Step 6: Final answer
    x = 484,991.16

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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.