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Finding the Fourth Proportional to 475.14, 713.25 and 283.17

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Solution

The fourth proportional to 475.14, 713.25 and 283.17 is: 425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.14 : 713.25 = 283.17 : x
  2. Step 2: Convert to fraction form
    475.14/713.25 = 283.17/x
  3. Step 3: Cross multiply
    475.14x = 713.25 × 283.17
  4. Step 4: Simplify right side
    475.14x = 201,971.00
  5. Step 5: Solve for x
    x = 201,971.00/475.14
  6. Step 6: Final answer
    x = 425.08

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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.