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Finding the Fourth Proportional to 491,536.96, 737,304.66 and 154,607.20

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Solution

The fourth proportional to 491,536.96, 737,304.66 and 154,607.20 is: 231,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,536.96 : 737,304.66 = 154,607.20 : x
  2. Step 2: Convert to fraction form
    491,536.96/737,304.66 = 154,607.20/x
  3. Step 3: Cross multiply
    491,536.96x = 737,304.66 × 154,607.20
  4. Step 4: Simplify right side
    491,536.96x = 113,992,609,029.55
  5. Step 5: Solve for x
    x = 113,992,609,029.55/491,536.96
  6. Step 6: Final answer
    x = 231,910.55

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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.