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Finding the Fourth Proportional to 466,493.30, 643,718.90 and 262,560.41

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Solution

The fourth proportional to 466,493.30, 643,718.90 and 262,560.41 is: 362,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,493.30 : 643,718.90 = 262,560.41 : x
  2. Step 2: Convert to fraction form
    466,493.30/643,718.90 = 262,560.41/x
  3. Step 3: Cross multiply
    466,493.30x = 643,718.90 × 262,560.41
  4. Step 4: Simplify right side
    466,493.30x = 169,015,093,777.35
  5. Step 5: Solve for x
    x = 169,015,093,777.35/466,493.30
  6. Step 6: Final answer
    x = 362,309.80

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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.