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Finding the Fourth Proportional to 536,648.62, 804,964.74 and 137,286.02

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Solution

The fourth proportional to 536,648.62, 804,964.74 and 137,286.02 is: 205,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,648.62 : 804,964.74 = 137,286.02 : x
  2. Step 2: Convert to fraction form
    536,648.62/804,964.74 = 137,286.02/x
  3. Step 3: Cross multiply
    536,648.62x = 804,964.74 × 137,286.02
  4. Step 4: Simplify right side
    536,648.62x = 110,510,405,394.94
  5. Step 5: Solve for x
    x = 110,510,405,394.94/536,648.62
  6. Step 6: Final answer
    x = 205,926.93

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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.