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Finding the Fourth Proportional to 595.89, 892.51 and 386.92

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Solution

The fourth proportional to 595.89, 892.51 and 386.92 is: 579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.89 : 892.51 = 386.92 : x
  2. Step 2: Convert to fraction form
    595.89/892.51 = 386.92/x
  3. Step 3: Cross multiply
    595.89x = 892.51 × 386.92
  4. Step 4: Simplify right side
    595.89x = 345,323.57
  5. Step 5: Solve for x
    x = 345,323.57/595.89
  6. Step 6: Final answer
    x = 579.51

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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.