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Finding the Fourth Proportional to 383,271.68, 574,863.48 and 102,766.88

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Solution

The fourth proportional to 383,271.68, 574,863.48 and 102,766.88 is: 154,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,271.68 : 574,863.48 = 102,766.88 : x
  2. Step 2: Convert to fraction form
    383,271.68/574,863.48 = 102,766.88/x
  3. Step 3: Cross multiply
    383,271.68x = 574,863.48 × 102,766.88
  4. Step 4: Simplify right side
    383,271.68x = 59,076,926,265.54
  5. Step 5: Solve for x
    x = 59,076,926,265.54/383,271.68
  6. Step 6: Final answer
    x = 154,138.51

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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.