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Finding the Fourth Proportional to 795.78, 1,098.84 and 586.20

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Solution

The fourth proportional to 795.78, 1,098.84 and 586.20 is: 809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.78 : 1,098.84 = 586.20 : x
  2. Step 2: Convert to fraction form
    795.78/1,098.84 = 586.20/x
  3. Step 3: Cross multiply
    795.78x = 1,098.84 × 586.20
  4. Step 4: Simplify right side
    795.78x = 644,140.01
  5. Step 5: Solve for x
    x = 644,140.01/795.78
  6. Step 6: Final answer
    x = 809.44

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