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Finding the Fourth Proportional to 594.43, 891.81 and 520.62

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Solution

The fourth proportional to 594.43, 891.81 and 520.62 is: 781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.43 : 891.81 = 520.62 : x
  2. Step 2: Convert to fraction form
    594.43/891.81 = 520.62/x
  3. Step 3: Cross multiply
    594.43x = 891.81 × 520.62
  4. Step 4: Simplify right side
    594.43x = 464,293.19
  5. Step 5: Solve for x
    x = 464,293.19/594.43
  6. Step 6: Final answer
    x = 781.07

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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.