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Finding the Fourth Proportional to 295.13, 441.61 and 259.49

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Solution

The fourth proportional to 295.13, 441.61 and 259.49 is: 388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.13 : 441.61 = 259.49 : x
  2. Step 2: Convert to fraction form
    295.13/441.61 = 259.49/x
  3. Step 3: Cross multiply
    295.13x = 441.61 × 259.49
  4. Step 4: Simplify right side
    295.13x = 114,593.38
  5. Step 5: Solve for x
    x = 114,593.38/295.13
  6. Step 6: Final answer
    x = 388.28

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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.