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Finding the Fourth Proportional to 663,196.80, 994,855.35 and 183,454.66

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Solution

The fourth proportional to 663,196.80, 994,855.35 and 183,454.66 is: 275,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,196.80 : 994,855.35 = 183,454.66 : x
  2. Step 2: Convert to fraction form
    663,196.80/994,855.35 = 183,454.66/x
  3. Step 3: Cross multiply
    663,196.80x = 994,855.35 × 183,454.66
  4. Step 4: Simplify right side
    663,196.80x = 182,510,849,983.43
  5. Step 5: Solve for x
    x = 182,510,849,983.43/663,196.80
  6. Step 6: Final answer
    x = 275,198.63

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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.