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Finding the Fourth Proportional to 324,180.21, 447,350.49 and 180,949.49

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Solution

The fourth proportional to 324,180.21, 447,350.49 and 180,949.49 is: 249,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,180.21 : 447,350.49 = 180,949.49 : x
  2. Step 2: Convert to fraction form
    324,180.21/447,350.49 = 180,949.49/x
  3. Step 3: Cross multiply
    324,180.21x = 447,350.49 × 180,949.49
  4. Step 4: Simplify right side
    324,180.21x = 80,947,840,780.00
  5. Step 5: Solve for x
    x = 80,947,840,780.00/324,180.21
  6. Step 6: Final answer
    x = 249,700.13

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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.