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Finding the Fourth Proportional to 794.64, 1,096.68 and 500.08

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Solution

The fourth proportional to 794.64, 1,096.68 and 500.08 is: 690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.64 : 1,096.68 = 500.08 : x
  2. Step 2: Convert to fraction form
    794.64/1,096.68 = 500.08/x
  3. Step 3: Cross multiply
    794.64x = 1,096.68 × 500.08
  4. Step 4: Simplify right side
    794.64x = 548,427.73
  5. Step 5: Solve for x
    x = 548,427.73/794.64
  6. Step 6: Final answer
    x = 690.16

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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.