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Finding the Fourth Proportional to 524.42, 786.73 and 293.63

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Solution

The fourth proportional to 524.42, 786.73 and 293.63 is: 440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.42 : 786.73 = 293.63 : x
  2. Step 2: Convert to fraction form
    524.42/786.73 = 293.63/x
  3. Step 3: Cross multiply
    524.42x = 786.73 × 293.63
  4. Step 4: Simplify right side
    524.42x = 231,008.76
  5. Step 5: Solve for x
    x = 231,008.76/524.42
  6. Step 6: Final answer
    x = 440.51

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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.