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Finding the Fourth Proportional to 580,178.41, 800,660 and 325,548.43

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Solution

The fourth proportional to 580,178.41, 800,660 and 325,548.43 is: 449,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,178.41 : 800,660 = 325,548.43 : x
  2. Step 2: Convert to fraction form
    580,178.41/800,660 = 325,548.43/x
  3. Step 3: Cross multiply
    580,178.41x = 800,660 × 325,548.43
  4. Step 4: Simplify right side
    580,178.41x = 260,653,605,963.80
  5. Step 5: Solve for x
    x = 260,653,605,963.80/580,178.41
  6. Step 6: Final answer
    x = 449,264.57

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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.