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Finding the Fourth Proportional to 334.41, 499.65 and 294.32

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Solution

The fourth proportional to 334.41, 499.65 and 294.32 is: 439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.41 : 499.65 = 294.32 : x
  2. Step 2: Convert to fraction form
    334.41/499.65 = 294.32/x
  3. Step 3: Cross multiply
    334.41x = 499.65 × 294.32
  4. Step 4: Simplify right side
    334.41x = 147,054.49
  5. Step 5: Solve for x
    x = 147,054.49/334.41
  6. Step 6: Final answer
    x = 439.74

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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.