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Finding the Fourth Proportional to 732.60, 1,093.61 and 623.22

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Solution

The fourth proportional to 732.60, 1,093.61 and 623.22 is: 930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.60 : 1,093.61 = 623.22 : x
  2. Step 2: Convert to fraction form
    732.60/1,093.61 = 623.22/x
  3. Step 3: Cross multiply
    732.60x = 1,093.61 × 623.22
  4. Step 4: Simplify right side
    732.60x = 681,556.51
  5. Step 5: Solve for x
    x = 681,556.51/732.60
  6. Step 6: Final answer
    x = 930.33

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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.