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Finding the Fourth Proportional to 363,494.30, 500,940.09 and 261,342.72

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Solution

The fourth proportional to 363,494.30, 500,940.09 and 261,342.72 is: 360,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,494.30 : 500,940.09 = 261,342.72 : x
  2. Step 2: Convert to fraction form
    363,494.30/500,940.09 = 261,342.72/x
  3. Step 3: Cross multiply
    363,494.30x = 500,940.09 × 261,342.72
  4. Step 4: Simplify right side
    363,494.30x = 130,917,045,677.65
  5. Step 5: Solve for x
    x = 130,917,045,677.65/363,494.30
  6. Step 6: Final answer
    x = 360,162.59

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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.