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Finding the Fourth Proportional to 537,050.80, 806,198.60 and 288,218.80

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Solution

The fourth proportional to 537,050.80, 806,198.60 and 288,218.80 is: 432,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,050.80 : 806,198.60 = 288,218.80 : x
  2. Step 2: Convert to fraction form
    537,050.80/806,198.60 = 288,218.80/x
  3. Step 3: Cross multiply
    537,050.80x = 806,198.60 × 288,218.80
  4. Step 4: Simplify right side
    537,050.80x = 232,361,593,053.68
  5. Step 5: Solve for x
    x = 232,361,593,053.68/537,050.80
  6. Step 6: Final answer
    x = 432,662.22

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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.