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Finding the Fourth Proportional to 749.44, 1,119.06 and 593.60

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Solution

The fourth proportional to 749.44, 1,119.06 and 593.60 is: 886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.44 : 1,119.06 = 593.60 : x
  2. Step 2: Convert to fraction form
    749.44/1,119.06 = 593.60/x
  3. Step 3: Cross multiply
    749.44x = 1,119.06 × 593.60
  4. Step 4: Simplify right side
    749.44x = 664,274.02
  5. Step 5: Solve for x
    x = 664,274.02/749.44
  6. Step 6: Final answer
    x = 886.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.