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Finding the Fourth Proportional to 366.12, 504.24 and 316.98

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Solution

The fourth proportional to 366.12, 504.24 and 316.98 is: 436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.12 : 504.24 = 316.98 : x
  2. Step 2: Convert to fraction form
    366.12/504.24 = 316.98/x
  3. Step 3: Cross multiply
    366.12x = 504.24 × 316.98
  4. Step 4: Simplify right side
    366.12x = 159,834.00
  5. Step 5: Solve for x
    x = 159,834.00/366.12
  6. Step 6: Final answer
    x = 436.56

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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.