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Finding the Fourth Proportional to 595.36, 892.86 and 389.92

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Solution

The fourth proportional to 595.36, 892.86 and 389.92 is: 584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.36 : 892.86 = 389.92 : x
  2. Step 2: Convert to fraction form
    595.36/892.86 = 389.92/x
  3. Step 3: Cross multiply
    595.36x = 892.86 × 389.92
  4. Step 4: Simplify right side
    595.36x = 348,143.97
  5. Step 5: Solve for x
    x = 348,143.97/595.36
  6. Step 6: Final answer
    x = 584.76

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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.