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Finding the Fourth Proportional to 366,422.20, 548,855.70 and 304,214.20

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Solution

The fourth proportional to 366,422.20, 548,855.70 and 304,214.20 is: 455,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,422.20 : 548,855.70 = 304,214.20 : x
  2. Step 2: Convert to fraction form
    366,422.20/548,855.70 = 304,214.20/x
  3. Step 3: Cross multiply
    366,422.20x = 548,855.70 × 304,214.20
  4. Step 4: Simplify right side
    366,422.20x = 166,969,697,690.94
  5. Step 5: Solve for x
    x = 166,969,697,690.94/366,422.20
  6. Step 6: Final answer
    x = 455,675.71

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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.