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Finding the Fourth Proportional to 476.51, 714.17 and 245.04

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Solution

The fourth proportional to 476.51, 714.17 and 245.04 is: 367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.51 : 714.17 = 245.04 : x
  2. Step 2: Convert to fraction form
    476.51/714.17 = 245.04/x
  3. Step 3: Cross multiply
    476.51x = 714.17 × 245.04
  4. Step 4: Simplify right side
    476.51x = 174,998.99
  5. Step 5: Solve for x
    x = 174,998.99/476.51
  6. Step 6: Final answer
    x = 367.26

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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.