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Finding the Fourth Proportional to 536.42, 799.93 and 531.56

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Solution

The fourth proportional to 536.42, 799.93 and 531.56 is: 792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.42 : 799.93 = 531.56 : x
  2. Step 2: Convert to fraction form
    536.42/799.93 = 531.56/x
  3. Step 3: Cross multiply
    536.42x = 799.93 × 531.56
  4. Step 4: Simplify right side
    536.42x = 425,210.79
  5. Step 5: Solve for x
    x = 425,210.79/536.42
  6. Step 6: Final answer
    x = 792.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.