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Finding the Fourth Proportional to 476.09, 713.92 and 202.04

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Solution

The fourth proportional to 476.09, 713.92 and 202.04 is: 302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.09 : 713.92 = 202.04 : x
  2. Step 2: Convert to fraction form
    476.09/713.92 = 202.04/x
  3. Step 3: Cross multiply
    476.09x = 713.92 × 202.04
  4. Step 4: Simplify right side
    476.09x = 144,240.40
  5. Step 5: Solve for x
    x = 144,240.40/476.09
  6. Step 6: Final answer
    x = 302.97

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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.