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Finding the Fourth Proportional to 524, 786.38 and 250.32

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Solution

The fourth proportional to 524, 786.38 and 250.32 is: 375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524 : 786.38 = 250.32 : x
  2. Step 2: Convert to fraction form
    524/786.38 = 250.32/x
  3. Step 3: Cross multiply
    524x = 786.38 × 250.32
  4. Step 4: Simplify right side
    524x = 196,846.64
  5. Step 5: Solve for x
    x = 196,846.64/524
  6. Step 6: Final answer
    x = 375.66

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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.