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Finding the Fourth Proportional to 795.82, 1,097.59 and 609.02

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Solution

The fourth proportional to 795.82, 1,097.59 and 609.02 is: 839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.82 : 1,097.59 = 609.02 : x
  2. Step 2: Convert to fraction form
    795.82/1,097.59 = 609.02/x
  3. Step 3: Cross multiply
    795.82x = 1,097.59 × 609.02
  4. Step 4: Simplify right side
    795.82x = 668,454.26
  5. Step 5: Solve for x
    x = 668,454.26/795.82
  6. Step 6: Final answer
    x = 839.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.