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Finding the Fourth Proportional to 362.56, 499.29 and 346.16

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Solution

The fourth proportional to 362.56, 499.29 and 346.16 is: 476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.56 : 499.29 = 346.16 : x
  2. Step 2: Convert to fraction form
    362.56/499.29 = 346.16/x
  3. Step 3: Cross multiply
    362.56x = 499.29 × 346.16
  4. Step 4: Simplify right side
    362.56x = 172,834.23
  5. Step 5: Solve for x
    x = 172,834.23/362.56
  6. Step 6: Final answer
    x = 476.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.