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Finding the Fourth Proportional to 344.16, 474.99 and 265.59

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Solution

The fourth proportional to 344.16, 474.99 and 265.59 is: 366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.16 : 474.99 = 265.59 : x
  2. Step 2: Convert to fraction form
    344.16/474.99 = 265.59/x
  3. Step 3: Cross multiply
    344.16x = 474.99 × 265.59
  4. Step 4: Simplify right side
    344.16x = 126,152.59
  5. Step 5: Solve for x
    x = 126,152.59/344.16
  6. Step 6: Final answer
    x = 366.55

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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.