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Finding the Fourth Proportional to 793.74, 1,094.90 and 462.12

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Solution

The fourth proportional to 793.74, 1,094.90 and 462.12 is: 637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.74 : 1,094.90 = 462.12 : x
  2. Step 2: Convert to fraction form
    793.74/1,094.90 = 462.12/x
  3. Step 3: Cross multiply
    793.74x = 1,094.90 × 462.12
  4. Step 4: Simplify right side
    793.74x = 505,975.19
  5. Step 5: Solve for x
    x = 505,975.19/793.74
  6. Step 6: Final answer
    x = 637.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.