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Finding the Fourth Proportional to 594.56, 891.84 and 209.84

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Solution

The fourth proportional to 594.56, 891.84 and 209.84 is: 314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.56 : 891.84 = 209.84 : x
  2. Step 2: Convert to fraction form
    594.56/891.84 = 209.84/x
  3. Step 3: Cross multiply
    594.56x = 891.84 × 209.84
  4. Step 4: Simplify right side
    594.56x = 187,143.71
  5. Step 5: Solve for x
    x = 187,143.71/594.56
  6. Step 6: Final answer
    x = 314.76

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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.