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Finding the Fourth Proportional to 369,611.20, 554,198.10 and 192,464.20

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Solution

The fourth proportional to 369,611.20, 554,198.10 and 192,464.20 is: 288,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,611.20 : 554,198.10 = 192,464.20 : x
  2. Step 2: Convert to fraction form
    369,611.20/554,198.10 = 192,464.20/x
  3. Step 3: Cross multiply
    369,611.20x = 554,198.10 × 192,464.20
  4. Step 4: Simplify right side
    369,611.20x = 106,663,293,958.02
  5. Step 5: Solve for x
    x = 106,663,293,958.02/369,611.20
  6. Step 6: Final answer
    x = 288,582.42

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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.