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Finding the Fourth Proportional to 366,818.80, 550,228.20 and 326,729.20

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Solution

The fourth proportional to 366,818.80, 550,228.20 and 326,729.20 is: 490,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,818.80 : 550,228.20 = 326,729.20 : x
  2. Step 2: Convert to fraction form
    366,818.80/550,228.20 = 326,729.20/x
  3. Step 3: Cross multiply
    366,818.80x = 550,228.20 × 326,729.20
  4. Step 4: Simplify right side
    366,818.80x = 179,775,619,603.44
  5. Step 5: Solve for x
    x = 179,775,619,603.44/366,818.80
  6. Step 6: Final answer
    x = 490,093.80

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1.5x scale

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.