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Finding the Fourth Proportional to 725.51, 1,000.93 and 476.96

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Solution

The fourth proportional to 725.51, 1,000.93 and 476.96 is: 658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.51 : 1,000.93 = 476.96 : x
  2. Step 2: Convert to fraction form
    725.51/1,000.93 = 476.96/x
  3. Step 3: Cross multiply
    725.51x = 1,000.93 × 476.96
  4. Step 4: Simplify right side
    725.51x = 477,403.57
  5. Step 5: Solve for x
    x = 477,403.57/725.51
  6. Step 6: Final answer
    x = 658.02

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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.