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Finding the Fourth Proportional to 530.43, 795.24 and 165

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Solution

The fourth proportional to 530.43, 795.24 and 165 is: 247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.43 : 795.24 = 165 : x
  2. Step 2: Convert to fraction form
    530.43/795.24 = 165/x
  3. Step 3: Cross multiply
    530.43x = 795.24 × 165
  4. Step 4: Simplify right side
    530.43x = 131,214.60
  5. Step 5: Solve for x
    x = 131,214.60/530.43
  6. Step 6: Final answer
    x = 247.37

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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.