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Finding the Fourth Proportional to 594.61, 891.02 and 440.29

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Solution

The fourth proportional to 594.61, 891.02 and 440.29 is: 659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.61 : 891.02 = 440.29 : x
  2. Step 2: Convert to fraction form
    594.61/891.02 = 440.29/x
  3. Step 3: Cross multiply
    594.61x = 891.02 × 440.29
  4. Step 4: Simplify right side
    594.61x = 392,304.99
  5. Step 5: Solve for x
    x = 392,304.99/594.61
  6. Step 6: Final answer
    x = 659.77

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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.