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Finding the Fourth Proportional to 365.86, 547.75 and 292.36

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Solution

The fourth proportional to 365.86, 547.75 and 292.36 is: 437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.86 : 547.75 = 292.36 : x
  2. Step 2: Convert to fraction form
    365.86/547.75 = 292.36/x
  3. Step 3: Cross multiply
    365.86x = 547.75 × 292.36
  4. Step 4: Simplify right side
    365.86x = 160,140.19
  5. Step 5: Solve for x
    x = 160,140.19/365.86
  6. Step 6: Final answer
    x = 437.71

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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.