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Finding the Fourth Proportional to 596.70, 823.59 and 465.66

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Solution

The fourth proportional to 596.70, 823.59 and 465.66 is: 642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.70 : 823.59 = 465.66 : x
  2. Step 2: Convert to fraction form
    596.70/823.59 = 465.66/x
  3. Step 3: Cross multiply
    596.70x = 823.59 × 465.66
  4. Step 4: Simplify right side
    596.70x = 383,512.92
  5. Step 5: Solve for x
    x = 383,512.92/596.70
  6. Step 6: Final answer
    x = 642.72

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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.