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Finding the Fourth Proportional to 563,540.40, 846,061.20 and 327,052.80

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Solution

The fourth proportional to 563,540.40, 846,061.20 and 327,052.80 is: 491,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,540.40 : 846,061.20 = 327,052.80 : x
  2. Step 2: Convert to fraction form
    563,540.40/846,061.20 = 327,052.80/x
  3. Step 3: Cross multiply
    563,540.40x = 846,061.20 × 327,052.80
  4. Step 4: Simplify right side
    563,540.40x = 276,706,684,431.36
  5. Step 5: Solve for x
    x = 276,706,684,431.36/563,540.40
  6. Step 6: Final answer
    x = 491,014.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.