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Finding the Fourth Proportional to 450,299.52, 675,682.56 and 326,661.12

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Solution

The fourth proportional to 450,299.52, 675,682.56 and 326,661.12 is: 490,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,299.52 : 675,682.56 = 326,661.12 : x
  2. Step 2: Convert to fraction form
    450,299.52/675,682.56 = 326,661.12/x
  3. Step 3: Cross multiply
    450,299.52x = 675,682.56 × 326,661.12
  4. Step 4: Simplify right side
    450,299.52x = 220,719,221,814.07
  5. Step 5: Solve for x
    x = 220,719,221,814.07/450,299.52
  6. Step 6: Final answer
    x = 490,160.91

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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.