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Finding the Fourth Proportional to 491,249.01, 736,873.47 and 136,263.06

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Solution

The fourth proportional to 491,249.01, 736,873.47 and 136,263.06 is: 204,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,249.01 : 736,873.47 = 136,263.06 : x
  2. Step 2: Convert to fraction form
    491,249.01/736,873.47 = 136,263.06/x
  3. Step 3: Cross multiply
    491,249.01x = 736,873.47 × 136,263.06
  4. Step 4: Simplify right side
    491,249.01x = 100,408,633,855.02
  5. Step 5: Solve for x
    x = 100,408,633,855.02/491,249.01
  6. Step 6: Final answer
    x = 204,394.58

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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.