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Finding the Fourth Proportional to 541,081.49, 811,613.99 and 186,098.58

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Solution

The fourth proportional to 541,081.49, 811,613.99 and 186,098.58 is: 279,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,081.49 : 811,613.99 = 186,098.58 : x
  2. Step 2: Convert to fraction form
    541,081.49/811,613.99 = 186,098.58/x
  3. Step 3: Cross multiply
    541,081.49x = 811,613.99 × 186,098.58
  4. Step 4: Simplify right side
    541,081.49x = 151,040,211,512.38
  5. Step 5: Solve for x
    x = 151,040,211,512.38/541,081.49
  6. Step 6: Final answer
    x = 279,145.04

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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.