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Finding the Fourth Proportional to 595.18, 892.49 and 386.74

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Solution

The fourth proportional to 595.18, 892.49 and 386.74 is: 579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.18 : 892.49 = 386.74 : x
  2. Step 2: Convert to fraction form
    595.18/892.49 = 386.74/x
  3. Step 3: Cross multiply
    595.18x = 892.49 × 386.74
  4. Step 4: Simplify right side
    595.18x = 345,157.12
  5. Step 5: Solve for x
    x = 345,157.12/595.18
  6. Step 6: Final answer
    x = 579.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.