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Finding the Fourth Proportional to 296.86, 442.94 and 295.14

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Solution

The fourth proportional to 296.86, 442.94 and 295.14 is: 440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.86 : 442.94 = 295.14 : x
  2. Step 2: Convert to fraction form
    296.86/442.94 = 295.14/x
  3. Step 3: Cross multiply
    296.86x = 442.94 × 295.14
  4. Step 4: Simplify right side
    296.86x = 130,726.17
  5. Step 5: Solve for x
    x = 130,726.17/296.86
  6. Step 6: Final answer
    x = 440.37

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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.