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Finding the Fourth Proportional to 1,323.78, 1,984.89 and 593.22

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Solution

The fourth proportional to 1,323.78, 1,984.89 and 593.22 is: 889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.78 : 1,984.89 = 593.22 : x
  2. Step 2: Convert to fraction form
    1,323.78/1,984.89 = 593.22/x
  3. Step 3: Cross multiply
    1,323.78x = 1,984.89 × 593.22
  4. Step 4: Simplify right side
    1,323.78x = 1,177,476.45
  5. Step 5: Solve for x
    x = 1,177,476.45/1,323.78
  6. Step 6: Final answer
    x = 889.48

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Half scale
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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.