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Finding the Fourth Proportional to 583.11, 874.57 and 236.36

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Solution

The fourth proportional to 583.11, 874.57 and 236.36 is: 354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.11 : 874.57 = 236.36 : x
  2. Step 2: Convert to fraction form
    583.11/874.57 = 236.36/x
  3. Step 3: Cross multiply
    583.11x = 874.57 × 236.36
  4. Step 4: Simplify right side
    583.11x = 206,713.37
  5. Step 5: Solve for x
    x = 206,713.37/583.11
  6. Step 6: Final answer
    x = 354.50

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Half scale
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Double scale
Find fourth proportional to 584.11, 876.07 and 237.36
Similar ratio
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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.