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Finding the Fourth Proportional to 617,735.55, 927,202.55 and 298,112.37

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Solution

The fourth proportional to 617,735.55, 927,202.55 and 298,112.37 is: 447,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,735.55 : 927,202.55 = 298,112.37 : x
  2. Step 2: Convert to fraction form
    617,735.55/927,202.55 = 298,112.37/x
  3. Step 3: Cross multiply
    617,735.55x = 927,202.55 × 298,112.37
  4. Step 4: Simplify right side
    617,735.55x = 276,410,549,277.90
  5. Step 5: Solve for x
    x = 276,410,549,277.90/617,735.55
  6. Step 6: Final answer
    x = 447,457.73

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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.