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Finding the Fourth Proportional to 886.51, 1,330.39 and 594.56

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Solution

The fourth proportional to 886.51, 1,330.39 and 594.56 is: 892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.51 : 1,330.39 = 594.56 : x
  2. Step 2: Convert to fraction form
    886.51/1,330.39 = 594.56/x
  3. Step 3: Cross multiply
    886.51x = 1,330.39 × 594.56
  4. Step 4: Simplify right side
    886.51x = 790,996.68
  5. Step 5: Solve for x
    x = 790,996.68/886.51
  6. Step 6: Final answer
    x = 892.26

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Double scale
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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.