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Finding the Fourth Proportional to 594.12, 891.72 and 270.12

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Solution

The fourth proportional to 594.12, 891.72 and 270.12 is: 405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.12 : 891.72 = 270.12 : x
  2. Step 2: Convert to fraction form
    594.12/891.72 = 270.12/x
  3. Step 3: Cross multiply
    594.12x = 891.72 × 270.12
  4. Step 4: Simplify right side
    594.12x = 240,871.41
  5. Step 5: Solve for x
    x = 240,871.41/594.12
  6. Step 6: Final answer
    x = 405.43

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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.