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Finding the Fourth Proportional to 476.66, 714.96 and 294.14

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Solution

The fourth proportional to 476.66, 714.96 and 294.14 is: 441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.66 : 714.96 = 294.14 : x
  2. Step 2: Convert to fraction form
    476.66/714.96 = 294.14/x
  3. Step 3: Cross multiply
    476.66x = 714.96 × 294.14
  4. Step 4: Simplify right side
    476.66x = 210,298.33
  5. Step 5: Solve for x
    x = 210,298.33/476.66
  6. Step 6: Final answer
    x = 441.19

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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.