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Finding the Fourth Proportional to 314.42, 470.36 and 295.99

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Solution

The fourth proportional to 314.42, 470.36 and 295.99 is: 442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.42 : 470.36 = 295.99 : x
  2. Step 2: Convert to fraction form
    314.42/470.36 = 295.99/x
  3. Step 3: Cross multiply
    314.42x = 470.36 × 295.99
  4. Step 4: Simplify right side
    314.42x = 139,221.86
  5. Step 5: Solve for x
    x = 139,221.86/314.42
  6. Step 6: Final answer
    x = 442.79

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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.