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Finding the Fourth Proportional to 383,699.05, 575,450.40 and 113,764.07

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Solution

The fourth proportional to 383,699.05, 575,450.40 and 113,764.07 is: 170,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,699.05 : 575,450.40 = 113,764.07 : x
  2. Step 2: Convert to fraction form
    383,699.05/575,450.40 = 113,764.07/x
  3. Step 3: Cross multiply
    383,699.05x = 575,450.40 × 113,764.07
  4. Step 4: Simplify right side
    383,699.05x = 65,465,581,452.37
  5. Step 5: Solve for x
    x = 65,465,581,452.37/383,699.05
  6. Step 6: Final answer
    x = 170,617.00

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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.