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Finding the Fourth Proportional to 743.06, 1,026.72 and 596.85

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Solution

The fourth proportional to 743.06, 1,026.72 and 596.85 is: 824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.06 : 1,026.72 = 596.85 : x
  2. Step 2: Convert to fraction form
    743.06/1,026.72 = 596.85/x
  3. Step 3: Cross multiply
    743.06x = 1,026.72 × 596.85
  4. Step 4: Simplify right side
    743.06x = 612,797.83
  5. Step 5: Solve for x
    x = 612,797.83/743.06
  6. Step 6: Final answer
    x = 824.70

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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.