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Finding the Fourth Proportional to 794.16, 1,095.84 and 462.56

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Solution

The fourth proportional to 794.16, 1,095.84 and 462.56 is: 638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.16 : 1,095.84 = 462.56 : x
  2. Step 2: Convert to fraction form
    794.16/1,095.84 = 462.56/x
  3. Step 3: Cross multiply
    794.16x = 1,095.84 × 462.56
  4. Step 4: Simplify right side
    794.16x = 506,886.27
  5. Step 5: Solve for x
    x = 506,886.27/794.16
  6. Step 6: Final answer
    x = 638.27

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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.