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Finding the Fourth Proportional to 295.14, 442.56 and 240.86

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Solution

The fourth proportional to 295.14, 442.56 and 240.86 is: 361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.14 : 442.56 = 240.86 : x
  2. Step 2: Convert to fraction form
    295.14/442.56 = 240.86/x
  3. Step 3: Cross multiply
    295.14x = 442.56 × 240.86
  4. Step 4: Simplify right side
    295.14x = 106,595.00
  5. Step 5: Solve for x
    x = 106,595.00/295.14
  6. Step 6: Final answer
    x = 361.17

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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.