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Finding the Fourth Proportional to 383,425.53, 575,117.37 and 117,185.96

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Solution

The fourth proportional to 383,425.53, 575,117.37 and 117,185.96 is: 175,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,425.53 : 575,117.37 = 117,185.96 : x
  2. Step 2: Convert to fraction form
    383,425.53/575,117.37 = 117,185.96/x
  3. Step 3: Cross multiply
    383,425.53x = 575,117.37 × 117,185.96
  4. Step 4: Simplify right side
    383,425.53x = 67,395,678,240.54
  5. Step 5: Solve for x
    x = 67,395,678,240.54/383,425.53
  6. Step 6: Final answer
    x = 175,772.54

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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.