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Finding the Fourth Proportional to 1,183.34, 1,632.98 and 659.42

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Solution

The fourth proportional to 1,183.34, 1,632.98 and 659.42 is: 909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.34 : 1,632.98 = 659.42 : x
  2. Step 2: Convert to fraction form
    1,183.34/1,632.98 = 659.42/x
  3. Step 3: Cross multiply
    1,183.34x = 1,632.98 × 659.42
  4. Step 4: Simplify right side
    1,183.34x = 1,076,819.67
  5. Step 5: Solve for x
    x = 1,076,819.67/1,183.34
  6. Step 6: Final answer
    x = 909.98

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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.