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Finding the Fourth Proportional to 1,165.83, 1,748.74 and 344.04

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Solution

The fourth proportional to 1,165.83, 1,748.74 and 344.04 is: 516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.83 : 1,748.74 = 344.04 : x
  2. Step 2: Convert to fraction form
    1,165.83/1,748.74 = 344.04/x
  3. Step 3: Cross multiply
    1,165.83x = 1,748.74 × 344.04
  4. Step 4: Simplify right side
    1,165.83x = 601,630.38
  5. Step 5: Solve for x
    x = 601,630.38/1,165.83
  6. Step 6: Final answer
    x = 516.05

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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.