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Finding the Fourth Proportional to 324,375.92, 447,639.40 and 181,135.52

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Solution

The fourth proportional to 324,375.92, 447,639.40 and 181,135.52 is: 249,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,375.92 : 447,639.40 = 181,135.52 : x
  2. Step 2: Convert to fraction form
    324,375.92/447,639.40 = 181,135.52/x
  3. Step 3: Cross multiply
    324,375.92x = 447,639.40 × 181,135.52
  4. Step 4: Simplify right side
    324,375.92x = 81,083,395,491.49
  5. Step 5: Solve for x
    x = 81,083,395,491.49/324,375.92
  6. Step 6: Final answer
    x = 249,967.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.