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Finding the Fourth Proportional to 1,134.54, 1,702.06 and 441.22

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Solution

The fourth proportional to 1,134.54, 1,702.06 and 441.22 is: 661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.54 : 1,702.06 = 441.22 : x
  2. Step 2: Convert to fraction form
    1,134.54/1,702.06 = 441.22/x
  3. Step 3: Cross multiply
    1,134.54x = 1,702.06 × 441.22
  4. Step 4: Simplify right side
    1,134.54x = 750,982.91
  5. Step 5: Solve for x
    x = 750,982.91/1,134.54
  6. Step 6: Final answer
    x = 661.93

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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.