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Finding the Fourth Proportional to 491,926.64, 737,636.63 and 225,458.91

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Solution

The fourth proportional to 491,926.64, 737,636.63 and 225,458.91 is: 338,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,926.64 : 737,636.63 = 225,458.91 : x
  2. Step 2: Convert to fraction form
    491,926.64/737,636.63 = 225,458.91/x
  3. Step 3: Cross multiply
    491,926.64x = 737,636.63 × 225,458.91
  4. Step 4: Simplify right side
    491,926.64x = 166,306,749,448.58
  5. Step 5: Solve for x
    x = 166,306,749,448.58/491,926.64
  6. Step 6: Final answer
    x = 338,072.26

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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.