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Finding the Fourth Proportional to 369,609.20, 554,195.10 and 192,462.20

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Solution

The fourth proportional to 369,609.20, 554,195.10 and 192,462.20 is: 288,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,609.20 : 554,195.10 = 192,462.20 : x
  2. Step 2: Convert to fraction form
    369,609.20/554,195.10 = 192,462.20/x
  3. Step 3: Cross multiply
    369,609.20x = 554,195.10 × 192,462.20
  4. Step 4: Simplify right side
    369,609.20x = 106,661,608,175.22
  5. Step 5: Solve for x
    x = 106,661,608,175.22/369,609.20
  6. Step 6: Final answer
    x = 288,579.42

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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.