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Finding the Fourth Proportional to 795.05, 1,191.92 and 534.25

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Solution

The fourth proportional to 795.05, 1,191.92 and 534.25 is: 800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.05 : 1,191.92 = 534.25 : x
  2. Step 2: Convert to fraction form
    795.05/1,191.92 = 534.25/x
  3. Step 3: Cross multiply
    795.05x = 1,191.92 × 534.25
  4. Step 4: Simplify right side
    795.05x = 636,782.08
  5. Step 5: Solve for x
    x = 636,782.08/795.05
  6. Step 6: Final answer
    x = 800.93

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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.