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Finding the Fourth Proportional to 383,804.43, 575,422.32 and 183,934.50

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Solution

The fourth proportional to 383,804.43, 575,422.32 and 183,934.50 is: 275,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,804.43 : 575,422.32 = 183,934.50 : x
  2. Step 2: Convert to fraction form
    383,804.43/575,422.32 = 183,934.50/x
  3. Step 3: Cross multiply
    383,804.43x = 575,422.32 × 183,934.50
  4. Step 4: Simplify right side
    383,804.43x = 105,840,016,718.04
  5. Step 5: Solve for x
    x = 105,840,016,718.04/383,804.43
  6. Step 6: Final answer
    x = 275,765.49

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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.