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Finding the Fourth Proportional to 383,698.11, 575,449.00 and 113,763.13

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Solution

The fourth proportional to 383,698.11, 575,449.00 and 113,763.13 is: 170,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,698.11 : 575,449.00 = 113,763.13 : x
  2. Step 2: Convert to fraction form
    383,698.11/575,449.00 = 113,763.13/x
  3. Step 3: Cross multiply
    383,698.11x = 575,449.00 × 113,763.13
  4. Step 4: Simplify right side
    383,698.11x = 65,464,880,749.26
  5. Step 5: Solve for x
    x = 65,464,880,749.26/383,698.11
  6. Step 6: Final answer
    x = 170,615.59

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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.