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Finding the Fourth Proportional to 795.56, 1,193.12 and 487.36

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Solution

The fourth proportional to 795.56, 1,193.12 and 487.36 is: 730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.56 : 1,193.12 = 487.36 : x
  2. Step 2: Convert to fraction form
    795.56/1,193.12 = 487.36/x
  3. Step 3: Cross multiply
    795.56x = 1,193.12 × 487.36
  4. Step 4: Simplify right side
    795.56x = 581,478.96
  5. Step 5: Solve for x
    x = 581,478.96/795.56
  6. Step 6: Final answer
    x = 730.91

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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.