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Finding the Fourth Proportional to 659.81, 910.46 and 365.04

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Solution

The fourth proportional to 659.81, 910.46 and 365.04 is: 503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.81 : 910.46 = 365.04 : x
  2. Step 2: Convert to fraction form
    659.81/910.46 = 365.04/x
  3. Step 3: Cross multiply
    659.81x = 910.46 × 365.04
  4. Step 4: Simplify right side
    659.81x = 332,355.23
  5. Step 5: Solve for x
    x = 332,355.23/659.81
  6. Step 6: Final answer
    x = 503.71

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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.