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Finding the Fourth Proportional to 447,339.00, 617,327.83 and 243,390.02

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Solution

The fourth proportional to 447,339.00, 617,327.83 and 243,390.02 is: 335,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,339.00 : 617,327.83 = 243,390.02 : x
  2. Step 2: Convert to fraction form
    447,339.00/617,327.83 = 243,390.02/x
  3. Step 3: Cross multiply
    447,339.00x = 617,327.83 × 243,390.02
  4. Step 4: Simplify right side
    447,339.00x = 150,251,430,107.86
  5. Step 5: Solve for x
    x = 150,251,430,107.86/447,339.00
  6. Step 6: Final answer
    x = 335,878.22

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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.