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Finding the Fourth Proportional to 450,634.58, 675,709.40 and 180,627.20

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Solution

The fourth proportional to 450,634.58, 675,709.40 and 180,627.20 is: 270,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,634.58 : 675,709.40 = 180,627.20 : x
  2. Step 2: Convert to fraction form
    450,634.58/675,709.40 = 180,627.20/x
  3. Step 3: Cross multiply
    450,634.58x = 675,709.40 × 180,627.20
  4. Step 4: Simplify right side
    450,634.58x = 122,051,496,935.68
  5. Step 5: Solve for x
    x = 122,051,496,935.68/450,634.58
  6. Step 6: Final answer
    x = 270,843.61

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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.