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Finding the Fourth Proportional to 541,912.55, 813,373.18 and 275,872.23

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Solution

The fourth proportional to 541,912.55, 813,373.18 and 275,872.23 is: 414,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,912.55 : 813,373.18 = 275,872.23 : x
  2. Step 2: Convert to fraction form
    541,912.55/813,373.18 = 275,872.23/x
  3. Step 3: Cross multiply
    541,912.55x = 813,373.18 × 275,872.23
  4. Step 4: Simplify right side
    541,912.55x = 224,387,072,299.11
  5. Step 5: Solve for x
    x = 224,387,072,299.11/541,912.55
  6. Step 6: Final answer
    x = 414,065.10

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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.