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Finding the Fourth Proportional to 383,310.83, 574,945.56 and 117,050.67

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Solution

The fourth proportional to 383,310.83, 574,945.56 and 117,050.67 is: 175,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,310.83 : 574,945.56 = 117,050.67 : x
  2. Step 2: Convert to fraction form
    383,310.83/574,945.56 = 117,050.67/x
  3. Step 3: Cross multiply
    383,310.83x = 574,945.56 × 117,050.67
  4. Step 4: Simplify right side
    383,310.83x = 67,297,763,011.53
  5. Step 5: Solve for x
    x = 67,297,763,011.53/383,310.83
  6. Step 6: Final answer
    x = 175,569.69

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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.