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Finding the Fourth Proportional to 300,337.61, 414,467.07 and 192,908.57

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Solution

The fourth proportional to 300,337.61, 414,467.07 and 192,908.57 is: 266,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,337.61 : 414,467.07 = 192,908.57 : x
  2. Step 2: Convert to fraction form
    300,337.61/414,467.07 = 192,908.57/x
  3. Step 3: Cross multiply
    300,337.61x = 414,467.07 × 192,908.57
  4. Step 4: Simplify right side
    300,337.61x = 79,954,249,785.79
  5. Step 5: Solve for x
    x = 79,954,249,785.79/300,337.61
  6. Step 6: Final answer
    x = 266,214.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.