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Finding the Fourth Proportional to 604.92, 834.60 and 473.76

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Solution

The fourth proportional to 604.92, 834.60 and 473.76 is: 653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.92 : 834.60 = 473.76 : x
  2. Step 2: Convert to fraction form
    604.92/834.60 = 473.76/x
  3. Step 3: Cross multiply
    604.92x = 834.60 × 473.76
  4. Step 4: Simplify right side
    604.92x = 395,400.10
  5. Step 5: Solve for x
    x = 395,400.10/604.92
  6. Step 6: Final answer
    x = 653.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.