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Finding the Fourth Proportional to 795.39, 1,193.51 and 577.82

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Solution

The fourth proportional to 795.39, 1,193.51 and 577.82 is: 867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.39 : 1,193.51 = 577.82 : x
  2. Step 2: Convert to fraction form
    795.39/1,193.51 = 577.82/x
  3. Step 3: Cross multiply
    795.39x = 1,193.51 × 577.82
  4. Step 4: Simplify right side
    795.39x = 689,625.09
  5. Step 5: Solve for x
    x = 689,625.09/795.39
  6. Step 6: Final answer
    x = 867.03

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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.