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Finding the Fourth Proportional to 670.30, 925.06 and 375.59

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Solution

The fourth proportional to 670.30, 925.06 and 375.59 is: 518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.30 : 925.06 = 375.59 : x
  2. Step 2: Convert to fraction form
    670.30/925.06 = 375.59/x
  3. Step 3: Cross multiply
    670.30x = 925.06 × 375.59
  4. Step 4: Simplify right side
    670.30x = 347,438.66
  5. Step 5: Solve for x
    x = 347,438.66/670.30
  6. Step 6: Final answer
    x = 518.33

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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.