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Finding the Fourth Proportional to 795.56, 1,193.94 and 579.69

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Solution

The fourth proportional to 795.56, 1,193.94 and 579.69 is: 869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.56 : 1,193.94 = 579.69 : x
  2. Step 2: Convert to fraction form
    795.56/1,193.94 = 579.69/x
  3. Step 3: Cross multiply
    795.56x = 1,193.94 × 579.69
  4. Step 4: Simplify right side
    795.56x = 692,115.08
  5. Step 5: Solve for x
    x = 692,115.08/795.56
  6. Step 6: Final answer
    x = 869.98

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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.