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Finding the Fourth Proportional to 673,497.60, 929,729.79 and 444,190.92

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Solution

The fourth proportional to 673,497.60, 929,729.79 and 444,190.92 is: 613,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,497.60 : 929,729.79 = 444,190.92 : x
  2. Step 2: Convert to fraction form
    673,497.60/929,729.79 = 444,190.92/x
  3. Step 3: Cross multiply
    673,497.60x = 929,729.79 × 444,190.92
  4. Step 4: Simplify right side
    673,497.60x = 412,977,530,771.51
  5. Step 5: Solve for x
    x = 412,977,530,771.51/673,497.60
  6. Step 6: Final answer
    x = 613,183.37

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1.5x scale

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.