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Finding the Fourth Proportional to 524.88, 786.96 and 293.58

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Solution

The fourth proportional to 524.88, 786.96 and 293.58 is: 440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.88 : 786.96 = 293.58 : x
  2. Step 2: Convert to fraction form
    524.88/786.96 = 293.58/x
  3. Step 3: Cross multiply
    524.88x = 786.96 × 293.58
  4. Step 4: Simplify right side
    524.88x = 231,035.72
  5. Step 5: Solve for x
    x = 231,035.72/524.88
  6. Step 6: Final answer
    x = 440.17

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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.