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Finding the Fourth Proportional to 1,134.77, 1,702.26 and 441.49

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Solution

The fourth proportional to 1,134.77, 1,702.26 and 441.49 is: 662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.77 : 1,702.26 = 441.49 : x
  2. Step 2: Convert to fraction form
    1,134.77/1,702.26 = 441.49/x
  3. Step 3: Cross multiply
    1,134.77x = 1,702.26 × 441.49
  4. Step 4: Simplify right side
    1,134.77x = 751,533.45
  5. Step 5: Solve for x
    x = 751,533.45/1,134.77
  6. Step 6: Final answer
    x = 662.28

Related Problems

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Double scale
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1.5x scale

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.