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Finding the Fourth Proportional to 1,162,339.92, 1,743,509.88 and 413,861.04

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Solution

The fourth proportional to 1,162,339.92, 1,743,509.88 and 413,861.04 is: 620,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,339.92 : 1,743,509.88 = 413,861.04 : x
  2. Step 2: Convert to fraction form
    1,162,339.92/1,743,509.88 = 413,861.04/x
  3. Step 3: Cross multiply
    1,162,339.92x = 1,743,509.88 × 413,861.04
  4. Step 4: Simplify right side
    1,162,339.92x = 721,570,812,187.08
  5. Step 5: Solve for x
    x = 721,570,812,187.08/1,162,339.92
  6. Step 6: Final answer
    x = 620,791.56

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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.