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Finding the Fourth Proportional to 383,435.37, 575,131.95 and 117,195.75

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Solution

The fourth proportional to 383,435.37, 575,131.95 and 117,195.75 is: 175,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,435.37 : 575,131.95 = 117,195.75 : x
  2. Step 2: Convert to fraction form
    383,435.37/575,131.95 = 117,195.75/x
  3. Step 3: Cross multiply
    383,435.37x = 575,131.95 × 117,195.75
  4. Step 4: Simplify right side
    383,435.37x = 67,403,020,229.21
  5. Step 5: Solve for x
    x = 67,403,020,229.21/383,435.37
  6. Step 6: Final answer
    x = 175,787.17

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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.