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Finding the Fourth Proportional to 383,049.31, 574,572.42 and 116,809.05

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Solution

The fourth proportional to 383,049.31, 574,572.42 and 116,809.05 is: 175,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,049.31 : 574,572.42 = 116,809.05 : x
  2. Step 2: Convert to fraction form
    383,049.31/574,572.42 = 116,809.05/x
  3. Step 3: Cross multiply
    383,049.31x = 574,572.42 × 116,809.05
  4. Step 4: Simplify right side
    383,049.31x = 67,115,258,536.40
  5. Step 5: Solve for x
    x = 67,115,258,536.40/383,049.31
  6. Step 6: Final answer
    x = 175,213.11

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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.