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Finding the Fourth Proportional to 360.46, 497.40 and 236.16

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Solution

The fourth proportional to 360.46, 497.40 and 236.16 is: 325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.46 : 497.40 = 236.16 : x
  2. Step 2: Convert to fraction form
    360.46/497.40 = 236.16/x
  3. Step 3: Cross multiply
    360.46x = 497.40 × 236.16
  4. Step 4: Simplify right side
    360.46x = 117,465.98
  5. Step 5: Solve for x
    x = 117,465.98/360.46
  6. Step 6: Final answer
    x = 325.88

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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.