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Finding the Fourth Proportional to 383,612.40, 575,591.40 and 183,855.60

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Solution

The fourth proportional to 383,612.40, 575,591.40 and 183,855.60 is: 275,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,612.40 : 575,591.40 = 183,855.60 : x
  2. Step 2: Convert to fraction form
    383,612.40/575,591.40 = 183,855.60/x
  3. Step 3: Cross multiply
    383,612.40x = 575,591.40 × 183,855.60
  4. Step 4: Simplify right side
    383,612.40x = 105,825,702,201.84
  5. Step 5: Solve for x
    x = 105,825,702,201.84/383,612.40
  6. Step 6: Final answer
    x = 275,866.22

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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.