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Finding the Fourth Proportional to 466,876.80, 644,263.56 and 275,907.96

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Solution

The fourth proportional to 466,876.80, 644,263.56 and 275,907.96 is: 380,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,876.80 : 644,263.56 = 275,907.96 : x
  2. Step 2: Convert to fraction form
    466,876.80/644,263.56 = 275,907.96/x
  3. Step 3: Cross multiply
    466,876.80x = 644,263.56 × 275,907.96
  4. Step 4: Simplify right side
    466,876.80x = 177,757,444,541.94
  5. Step 5: Solve for x
    x = 177,757,444,541.94/466,876.80
  6. Step 6: Final answer
    x = 380,737.37

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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.