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Finding the Fourth Proportional to 418,525.20, 627,933.60 and 182,037.60

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Solution

The fourth proportional to 418,525.20, 627,933.60 and 182,037.60 is: 273,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,525.20 : 627,933.60 = 182,037.60 : x
  2. Step 2: Convert to fraction form
    418,525.20/627,933.60 = 182,037.60/x
  3. Step 3: Cross multiply
    418,525.20x = 627,933.60 × 182,037.60
  4. Step 4: Simplify right side
    418,525.20x = 114,307,525,503.36
  5. Step 5: Solve for x
    x = 114,307,525,503.36/418,525.20
  6. Step 6: Final answer
    x = 273,119.82

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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.