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Finding the Fourth Proportional to 300,081.34, 413,917.14 and 192,480.94

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Solution

The fourth proportional to 300,081.34, 413,917.14 and 192,480.94 is: 265,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,081.34 : 413,917.14 = 192,480.94 : x
  2. Step 2: Convert to fraction form
    300,081.34/413,917.14 = 192,480.94/x
  3. Step 3: Cross multiply
    300,081.34x = 413,917.14 × 192,480.94
  4. Step 4: Simplify right side
    300,081.34x = 79,671,160,189.31
  5. Step 5: Solve for x
    x = 79,671,160,189.31/300,081.34
  6. Step 6: Final answer
    x = 265,498.55

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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.