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Finding the Fourth Proportional to 383,450.67, 575,177.49 and 117,210.15

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Solution

The fourth proportional to 383,450.67, 575,177.49 and 117,210.15 is: 175,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,450.67 : 575,177.49 = 117,210.15 : x
  2. Step 2: Convert to fraction form
    383,450.67/575,177.49 = 117,210.15/x
  3. Step 3: Cross multiply
    383,450.67x = 575,177.49 × 117,210.15
  4. Step 4: Simplify right side
    383,450.67x = 67,416,639,879.52
  5. Step 5: Solve for x
    x = 67,416,639,879.52/383,450.67
  6. Step 6: Final answer
    x = 175,815.68

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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.