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Finding the Fourth Proportional to 383,644.41, 575,550.90 and 117,425.45

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Solution

The fourth proportional to 383,644.41, 575,550.90 and 117,425.45 is: 176,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,644.41 : 575,550.90 = 117,425.45 : x
  2. Step 2: Convert to fraction form
    383,644.41/575,550.90 = 117,425.45/x
  3. Step 3: Cross multiply
    383,644.41x = 575,550.90 × 117,425.45
  4. Step 4: Simplify right side
    383,644.41x = 67,584,323,430.41
  5. Step 5: Solve for x
    x = 67,584,323,430.41/383,644.41
  6. Step 6: Final answer
    x = 176,163.97

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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.