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Finding the Fourth Proportional to 476.44, 714.75 and 202.53

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Solution

The fourth proportional to 476.44, 714.75 and 202.53 is: 303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.44 : 714.75 = 202.53 : x
  2. Step 2: Convert to fraction form
    476.44/714.75 = 202.53/x
  3. Step 3: Cross multiply
    476.44x = 714.75 × 202.53
  4. Step 4: Simplify right side
    476.44x = 144,758.32
  5. Step 5: Solve for x
    x = 144,758.32/476.44
  6. Step 6: Final answer
    x = 303.83

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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.