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Finding the Fourth Proportional to 247,297.35, 340,898.31 and 193,488.93

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Solution

The fourth proportional to 247,297.35, 340,898.31 and 193,488.93 is: 266,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,297.35 : 340,898.31 = 193,488.93 : x
  2. Step 2: Convert to fraction form
    247,297.35/340,898.31 = 193,488.93/x
  3. Step 3: Cross multiply
    247,297.35x = 340,898.31 × 193,488.93
  4. Step 4: Simplify right side
    247,297.35x = 65,960,049,240.71
  5. Step 5: Solve for x
    x = 65,960,049,240.71/247,297.35
  6. Step 6: Final answer
    x = 266,723.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.