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Finding the Fourth Proportional to 1,134.62, 1,702.02 and 441.62

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Solution

The fourth proportional to 1,134.62, 1,702.02 and 441.62 is: 662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.62 : 1,702.02 = 441.62 : x
  2. Step 2: Convert to fraction form
    1,134.62/1,702.02 = 441.62/x
  3. Step 3: Cross multiply
    1,134.62x = 1,702.02 × 441.62
  4. Step 4: Simplify right side
    1,134.62x = 751,646.07
  5. Step 5: Solve for x
    x = 751,646.07/1,134.62
  6. Step 6: Final answer
    x = 662.47

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Why These Related Problems?

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