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Finding the Fourth Proportional to 596.16, 821.93 and 461.70

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Solution

The fourth proportional to 596.16, 821.93 and 461.70 is: 636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.16 : 821.93 = 461.70 : x
  2. Step 2: Convert to fraction form
    596.16/821.93 = 461.70/x
  3. Step 3: Cross multiply
    596.16x = 821.93 × 461.70
  4. Step 4: Simplify right side
    596.16x = 379,482.77
  5. Step 5: Solve for x
    x = 379,482.77/596.16
  6. Step 6: Final answer
    x = 636.55

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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.