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Finding the Fourth Proportional to 817.04, 1,125.96 and 583.76

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Solution

The fourth proportional to 817.04, 1,125.96 and 583.76 is: 804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    817.04 : 1,125.96 = 583.76 : x
  2. Step 2: Convert to fraction form
    817.04/1,125.96 = 583.76/x
  3. Step 3: Cross multiply
    817.04x = 1,125.96 × 583.76
  4. Step 4: Simplify right side
    817.04x = 657,290.41
  5. Step 5: Solve for x
    x = 657,290.41/817.04
  6. Step 6: Final answer
    x = 804.48

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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.