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Finding the Fourth Proportional to 583.83, 875.74 and 193.86

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Solution

The fourth proportional to 583.83, 875.74 and 193.86 is: 290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.83 : 875.74 = 193.86 : x
  2. Step 2: Convert to fraction form
    583.83/875.74 = 193.86/x
  3. Step 3: Cross multiply
    583.83x = 875.74 × 193.86
  4. Step 4: Simplify right side
    583.83x = 169,769.31
  5. Step 5: Solve for x
    x = 169,769.31/583.83
  6. Step 6: Final answer
    x = 290.79

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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.