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Finding the Fourth Proportional to 466,871.72, 644,317.34 and 262,944.90

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Solution

The fourth proportional to 466,871.72, 644,317.34 and 262,944.90 is: 362,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,871.72 : 644,317.34 = 262,944.90 : x
  2. Step 2: Convert to fraction form
    466,871.72/644,317.34 = 262,944.90/x
  3. Step 3: Cross multiply
    466,871.72x = 644,317.34 × 262,944.90
  4. Step 4: Simplify right side
    466,871.72x = 169,419,957,219.84
  5. Step 5: Solve for x
    x = 169,419,957,219.84/466,871.72
  6. Step 6: Final answer
    x = 362,883.32

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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.