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Finding the Fourth Proportional to 795.59, 1,191.33 and 549.55

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Solution

The fourth proportional to 795.59, 1,191.33 and 549.55 is: 822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.59 : 1,191.33 = 549.55 : x
  2. Step 2: Convert to fraction form
    795.59/1,191.33 = 549.55/x
  3. Step 3: Cross multiply
    795.59x = 1,191.33 × 549.55
  4. Step 4: Simplify right side
    795.59x = 654,695.40
  5. Step 5: Solve for x
    x = 654,695.40/795.59
  6. Step 6: Final answer
    x = 822.91

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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.