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Finding the Fourth Proportional to 793.79, 1,095.44 and 462.29

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Solution

The fourth proportional to 793.79, 1,095.44 and 462.29 is: 637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.79 : 1,095.44 = 462.29 : x
  2. Step 2: Convert to fraction form
    793.79/1,095.44 = 462.29/x
  3. Step 3: Cross multiply
    793.79x = 1,095.44 × 462.29
  4. Step 4: Simplify right side
    793.79x = 506,411.38
  5. Step 5: Solve for x
    x = 506,411.38/793.79
  6. Step 6: Final answer
    x = 637.97

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Double scale
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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.