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Finding the Fourth Proportional to 1,096.79, 1,513.57 and 599.45

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Solution

The fourth proportional to 1,096.79, 1,513.57 and 599.45 is: 827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.79 : 1,513.57 = 599.45 : x
  2. Step 2: Convert to fraction form
    1,096.79/1,513.57 = 599.45/x
  3. Step 3: Cross multiply
    1,096.79x = 1,513.57 × 599.45
  4. Step 4: Simplify right side
    1,096.79x = 907,301.97
  5. Step 5: Solve for x
    x = 907,301.97/1,096.79
  6. Step 6: Final answer
    x = 827.24

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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.