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Finding the Fourth Proportional to 743.27, 1,026.58 and 594.41

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Solution

The fourth proportional to 743.27, 1,026.58 and 594.41 is: 820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.27 : 1,026.58 = 594.41 : x
  2. Step 2: Convert to fraction form
    743.27/1,026.58 = 594.41/x
  3. Step 3: Cross multiply
    743.27x = 1,026.58 × 594.41
  4. Step 4: Simplify right side
    743.27x = 610,203.91
  5. Step 5: Solve for x
    x = 610,203.91/743.27
  6. Step 6: Final answer
    x = 820.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.