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Finding the Fourth Proportional to 637.83, 955.67 and 394.52

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Solution

The fourth proportional to 637.83, 955.67 and 394.52 is: 591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.83 : 955.67 = 394.52 : x
  2. Step 2: Convert to fraction form
    637.83/955.67 = 394.52/x
  3. Step 3: Cross multiply
    637.83x = 955.67 × 394.52
  4. Step 4: Simplify right side
    637.83x = 377,024.18
  5. Step 5: Solve for x
    x = 377,024.18/637.83
  6. Step 6: Final answer
    x = 591.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.