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Finding the Fourth Proportional to 475.98, 714.12 and 201.93

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Solution

The fourth proportional to 475.98, 714.12 and 201.93 is: 302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.98 : 714.12 = 201.93 : x
  2. Step 2: Convert to fraction form
    475.98/714.12 = 201.93/x
  3. Step 3: Cross multiply
    475.98x = 714.12 × 201.93
  4. Step 4: Simplify right side
    475.98x = 144,202.25
  5. Step 5: Solve for x
    x = 144,202.25/475.98
  6. Step 6: Final answer
    x = 302.96

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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.