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Finding the Fourth Proportional to 349,898.94, 482,861.25 and 198,995.94

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Solution

The fourth proportional to 349,898.94, 482,861.25 and 198,995.94 is: 274,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,898.94 : 482,861.25 = 198,995.94 : x
  2. Step 2: Convert to fraction form
    349,898.94/482,861.25 = 198,995.94/x
  3. Step 3: Cross multiply
    349,898.94x = 482,861.25 × 198,995.94
  4. Step 4: Simplify right side
    349,898.94x = 96,087,428,333.33
  5. Step 5: Solve for x
    x = 96,087,428,333.33/349,898.94
  6. Step 6: Final answer
    x = 274,614.80

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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.