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Finding the Fourth Proportional to 332.40, 497.52 and 236.64

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Solution

The fourth proportional to 332.40, 497.52 and 236.64 is: 354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.40 : 497.52 = 236.64 : x
  2. Step 2: Convert to fraction form
    332.40/497.52 = 236.64/x
  3. Step 3: Cross multiply
    332.40x = 497.52 × 236.64
  4. Step 4: Simplify right side
    332.40x = 117,733.13
  5. Step 5: Solve for x
    x = 117,733.13/332.40
  6. Step 6: Final answer
    x = 354.19

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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.