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Finding the Fourth Proportional to 659.46, 910.05 and 364.75

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Solution

The fourth proportional to 659.46, 910.05 and 364.75 is: 503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.46 : 910.05 = 364.75 : x
  2. Step 2: Convert to fraction form
    659.46/910.05 = 364.75/x
  3. Step 3: Cross multiply
    659.46x = 910.05 × 364.75
  4. Step 4: Simplify right side
    659.46x = 331,940.74
  5. Step 5: Solve for x
    x = 331,940.74/659.46
  6. Step 6: Final answer
    x = 503.35

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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.