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Finding the Fourth Proportional to 475.91, 713.91 and 202

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Solution

The fourth proportional to 475.91, 713.91 and 202 is: 303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.91 : 713.91 = 202 : x
  2. Step 2: Convert to fraction form
    475.91/713.91 = 202/x
  3. Step 3: Cross multiply
    475.91x = 713.91 × 202
  4. Step 4: Simplify right side
    475.91x = 144,209.82
  5. Step 5: Solve for x
    x = 144,209.82/475.91
  6. Step 6: Final answer
    x = 303.02

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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.