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Finding the Fourth Proportional to 617.87, 926.79 and 185.01

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Solution

The fourth proportional to 617.87, 926.79 and 185.01 is: 277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.87 : 926.79 = 185.01 : x
  2. Step 2: Convert to fraction form
    617.87/926.79 = 185.01/x
  3. Step 3: Cross multiply
    617.87x = 926.79 × 185.01
  4. Step 4: Simplify right side
    617.87x = 171,465.42
  5. Step 5: Solve for x
    x = 171,465.42/617.87
  6. Step 6: Final answer
    x = 277.51

Related Problems

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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.