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Finding the Fourth Proportional to 383,687.87, 575,039.25 and 183,708.59

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Solution

The fourth proportional to 383,687.87, 575,039.25 and 183,708.59 is: 275,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,687.87 : 575,039.25 = 183,708.59 : x
  2. Step 2: Convert to fraction form
    383,687.87/575,039.25 = 183,708.59/x
  3. Step 3: Cross multiply
    383,687.87x = 575,039.25 × 183,708.59
  4. Step 4: Simplify right side
    383,687.87x = 105,639,646,936.96
  5. Step 5: Solve for x
    x = 105,639,646,936.96/383,687.87
  6. Step 6: Final answer
    x = 275,327.05

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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.