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Finding the Fourth Proportional to 847, 1,168.73 and 473.96

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Solution

The fourth proportional to 847, 1,168.73 and 473.96 is: 653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    847 : 1,168.73 = 473.96 : x
  2. Step 2: Convert to fraction form
    847/1,168.73 = 473.96/x
  3. Step 3: Cross multiply
    847x = 1,168.73 × 473.96
  4. Step 4: Simplify right side
    847x = 553,931.27
  5. Step 5: Solve for x
    x = 553,931.27/847
  6. Step 6: Final answer
    x = 653.99

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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.