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Finding the Fourth Proportional to 383,305.68, 574,914.48 and 102,800.88

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Solution

The fourth proportional to 383,305.68, 574,914.48 and 102,800.88 is: 154,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,305.68 : 574,914.48 = 102,800.88 : x
  2. Step 2: Convert to fraction form
    383,305.68/574,914.48 = 102,800.88/x
  3. Step 3: Cross multiply
    383,305.68x = 574,914.48 × 102,800.88
  4. Step 4: Simplify right side
    383,305.68x = 59,101,714,468.74
  5. Step 5: Solve for x
    x = 59,101,714,468.74/383,305.68
  6. Step 6: Final answer
    x = 154,189.51

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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.