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Finding the Fourth Proportional to 383,111.37, 574,645.64 and 116,850.95

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Solution

The fourth proportional to 383,111.37, 574,645.64 and 116,850.95 is: 175,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,111.37 : 574,645.64 = 116,850.95 : x
  2. Step 2: Convert to fraction form
    383,111.37/574,645.64 = 116,850.95/x
  3. Step 3: Cross multiply
    383,111.37x = 574,645.64 × 116,850.95
  4. Step 4: Simplify right side
    383,111.37x = 67,147,891,534.46
  5. Step 5: Solve for x
    x = 67,147,891,534.46/383,111.37
  6. Step 6: Final answer
    x = 175,269.90

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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.