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Finding the Fourth Proportional to 524.52, 786.96 and 236.16

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Solution

The fourth proportional to 524.52, 786.96 and 236.16 is: 354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.52 : 786.96 = 236.16 : x
  2. Step 2: Convert to fraction form
    524.52/786.96 = 236.16/x
  3. Step 3: Cross multiply
    524.52x = 786.96 × 236.16
  4. Step 4: Simplify right side
    524.52x = 185,848.47
  5. Step 5: Solve for x
    x = 185,848.47/524.52
  6. Step 6: Final answer
    x = 354.32

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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.