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Finding the Fourth Proportional to 589.60, 885.84 and 346.24

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Solution

The fourth proportional to 589.60, 885.84 and 346.24 is: 520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.60 : 885.84 = 346.24 : x
  2. Step 2: Convert to fraction form
    589.60/885.84 = 346.24/x
  3. Step 3: Cross multiply
    589.60x = 885.84 × 346.24
  4. Step 4: Simplify right side
    589.60x = 306,713.24
  5. Step 5: Solve for x
    x = 306,713.24/589.60
  6. Step 6: Final answer
    x = 520.21

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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.