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Finding the Fourth Proportional to 1,134.92, 1,702.56 and 557.84

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Solution

The fourth proportional to 1,134.92, 1,702.56 and 557.84 is: 836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.92 : 1,702.56 = 557.84 : x
  2. Step 2: Convert to fraction form
    1,134.92/1,702.56 = 557.84/x
  3. Step 3: Cross multiply
    1,134.92x = 1,702.56 × 557.84
  4. Step 4: Simplify right side
    1,134.92x = 949,756.07
  5. Step 5: Solve for x
    x = 949,756.07/1,134.92
  6. Step 6: Final answer
    x = 836.85

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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.