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Finding the Fourth Proportional to 2,059.29, 3,088.94 and 499.29

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Solution

The fourth proportional to 2,059.29, 3,088.94 and 499.29 is: 748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.29 : 3,088.94 = 499.29 : x
  2. Step 2: Convert to fraction form
    2,059.29/3,088.94 = 499.29/x
  3. Step 3: Cross multiply
    2,059.29x = 3,088.94 × 499.29
  4. Step 4: Simplify right side
    2,059.29x = 1,542,276.85
  5. Step 5: Solve for x
    x = 1,542,276.85/2,059.29
  6. Step 6: Final answer
    x = 748.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.