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Finding the Fourth Proportional to 447,542.01, 617,607.72 and 246,338.01

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Solution

The fourth proportional to 447,542.01, 617,607.72 and 246,338.01 is: 339,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,542.01 : 617,607.72 = 246,338.01 : x
  2. Step 2: Convert to fraction form
    447,542.01/617,607.72 = 246,338.01/x
  3. Step 3: Cross multiply
    447,542.01x = 617,607.72 × 246,338.01
  4. Step 4: Simplify right side
    447,542.01x = 152,140,256,705.44
  5. Step 5: Solve for x
    x = 152,140,256,705.44/447,542.01
  6. Step 6: Final answer
    x = 339,946.31

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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.