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Finding the Fourth Proportional to 383,471.02, 575,205.56 and 113,620.16

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Solution

The fourth proportional to 383,471.02, 575,205.56 and 113,620.16 is: 170,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,471.02 : 575,205.56 = 113,620.16 : x
  2. Step 2: Convert to fraction form
    383,471.02/575,205.56 = 113,620.16/x
  3. Step 3: Cross multiply
    383,471.02x = 575,205.56 × 113,620.16
  4. Step 4: Simplify right side
    383,471.02x = 65,354,948,516.82
  5. Step 5: Solve for x
    x = 65,354,948,516.82/383,471.02
  6. Step 6: Final answer
    x = 170,429.96

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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.