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Finding the Fourth Proportional to 295.14, 440.70 and 264.09

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Solution

The fourth proportional to 295.14, 440.70 and 264.09 is: 394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.14 : 440.70 = 264.09 : x
  2. Step 2: Convert to fraction form
    295.14/440.70 = 264.09/x
  3. Step 3: Cross multiply
    295.14x = 440.70 × 264.09
  4. Step 4: Simplify right side
    295.14x = 116,384.46
  5. Step 5: Solve for x
    x = 116,384.46/295.14
  6. Step 6: Final answer
    x = 394.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.