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Finding the Fourth Proportional to 583.77, 874.45 and 259.37

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Solution

The fourth proportional to 583.77, 874.45 and 259.37 is: 388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.77 : 874.45 = 259.37 : x
  2. Step 2: Convert to fraction form
    583.77/874.45 = 259.37/x
  3. Step 3: Cross multiply
    583.77x = 874.45 × 259.37
  4. Step 4: Simplify right side
    583.77x = 226,803.87
  5. Step 5: Solve for x
    x = 226,803.87/583.77
  6. Step 6: Final answer
    x = 388.51

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Double scale
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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.