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Finding the Fourth Proportional to 794.34, 1,096.18 and 500.11

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Solution

The fourth proportional to 794.34, 1,096.18 and 500.11 is: 690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.34 : 1,096.18 = 500.11 : x
  2. Step 2: Convert to fraction form
    794.34/1,096.18 = 500.11/x
  3. Step 3: Cross multiply
    794.34x = 1,096.18 × 500.11
  4. Step 4: Simplify right side
    794.34x = 548,210.58
  5. Step 5: Solve for x
    x = 548,210.58/794.34
  6. Step 6: Final answer
    x = 690.15

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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.