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Finding the Fourth Proportional to 300,036.15, 413,854.79 and 192,435.75

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Solution

The fourth proportional to 300,036.15, 413,854.79 and 192,435.75 is: 265,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,036.15 : 413,854.79 = 192,435.75 : x
  2. Step 2: Convert to fraction form
    300,036.15/413,854.79 = 192,435.75/x
  3. Step 3: Cross multiply
    300,036.15x = 413,854.79 × 192,435.75
  4. Step 4: Simplify right side
    300,036.15x = 79,640,455,942.56
  5. Step 5: Solve for x
    x = 79,640,455,942.56/300,036.15
  6. Step 6: Final answer
    x = 265,436.20

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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.