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Finding the Fourth Proportional to 447,697.06, 617,826.09 and 246,500.26

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Solution

The fourth proportional to 447,697.06, 617,826.09 and 246,500.26 is: 340,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,697.06 : 617,826.09 = 246,500.26 : x
  2. Step 2: Convert to fraction form
    447,697.06/617,826.09 = 246,500.26/x
  3. Step 3: Cross multiply
    447,697.06x = 617,826.09 × 246,500.26
  4. Step 4: Simplify right side
    447,697.06x = 152,294,291,819.78
  5. Step 5: Solve for x
    x = 152,294,291,819.78/447,697.06
  6. Step 6: Final answer
    x = 340,172.64

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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.