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Finding the Fourth Proportional to 722, 996.06 and 473.01

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Solution

The fourth proportional to 722, 996.06 and 473.01 is: 652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    722 : 996.06 = 473.01 : x
  2. Step 2: Convert to fraction form
    722/996.06 = 473.01/x
  3. Step 3: Cross multiply
    722x = 996.06 × 473.01
  4. Step 4: Simplify right side
    722x = 471,146.34
  5. Step 5: Solve for x
    x = 471,146.34/722
  6. Step 6: Final answer
    x = 652.56

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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.