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Finding the Fourth Proportional to 557.25, 836.07 and 283.59

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Solution

The fourth proportional to 557.25, 836.07 and 283.59 is: 425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.25 : 836.07 = 283.59 : x
  2. Step 2: Convert to fraction form
    557.25/836.07 = 283.59/x
  3. Step 3: Cross multiply
    557.25x = 836.07 × 283.59
  4. Step 4: Simplify right side
    557.25x = 237,101.09
  5. Step 5: Solve for x
    x = 237,101.09/557.25
  6. Step 6: Final answer
    x = 425.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.