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Finding the Fourth Proportional to 383,576.28, 529,523.10 and 297,344.76

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Solution

The fourth proportional to 383,576.28, 529,523.10 and 297,344.76 is: 410,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,576.28 : 529,523.10 = 297,344.76 : x
  2. Step 2: Convert to fraction form
    383,576.28/529,523.10 = 297,344.76/x
  3. Step 3: Cross multiply
    383,576.28x = 529,523.10 × 297,344.76
  4. Step 4: Simplify right side
    383,576.28x = 157,450,919,083.96
  5. Step 5: Solve for x
    x = 157,450,919,083.96/383,576.28
  6. Step 6: Final answer
    x = 410,481.38

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1.5x scale

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.