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Finding the Fourth Proportional to 383,810.44, 575,431.30 and 183,940.52

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Solution

The fourth proportional to 383,810.44, 575,431.30 and 183,940.52 is: 275,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,810.44 : 575,431.30 = 183,940.52 : x
  2. Step 2: Convert to fraction form
    383,810.44/575,431.30 = 183,940.52/x
  3. Step 3: Cross multiply
    383,810.44x = 575,431.30 × 183,940.52
  4. Step 4: Simplify right side
    383,810.44x = 105,845,132,546.28
  5. Step 5: Solve for x
    x = 105,845,132,546.28/383,810.44
  6. Step 6: Final answer
    x = 275,774.50

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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.