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Finding the Fourth Proportional to 342,997.41, 514,553.98 and 118,297.74

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Solution

The fourth proportional to 342,997.41, 514,553.98 and 118,297.74 is: 177,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,997.41 : 514,553.98 = 118,297.74 : x
  2. Step 2: Convert to fraction form
    342,997.41/514,553.98 = 118,297.74/x
  3. Step 3: Cross multiply
    342,997.41x = 514,553.98 × 118,297.74
  4. Step 4: Simplify right side
    342,997.41x = 60,870,572,942.01
  5. Step 5: Solve for x
    x = 60,870,572,942.01/342,997.41
  6. Step 6: Final answer
    x = 177,466.57

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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.