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Finding the Fourth Proportional to 344.99, 475.70 and 246.57

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Solution

The fourth proportional to 344.99, 475.70 and 246.57 is: 339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.99 : 475.70 = 246.57 : x
  2. Step 2: Convert to fraction form
    344.99/475.70 = 246.57/x
  3. Step 3: Cross multiply
    344.99x = 475.70 × 246.57
  4. Step 4: Simplify right side
    344.99x = 117,292.12
  5. Step 5: Solve for x
    x = 117,292.12/344.99
  6. Step 6: Final answer
    x = 339.99

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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.