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Finding the Fourth Proportional to 483,749.60, 725,739.60 and 203,122.40

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Solution

The fourth proportional to 483,749.60, 725,739.60 and 203,122.40 is: 304,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,749.60 : 725,739.60 = 203,122.40 : x
  2. Step 2: Convert to fraction form
    483,749.60/725,739.60 = 203,122.40/x
  3. Step 3: Cross multiply
    483,749.60x = 725,739.60 × 203,122.40
  4. Step 4: Simplify right side
    483,749.60x = 147,413,969,327.04
  5. Step 5: Solve for x
    x = 147,413,969,327.04/483,749.60
  6. Step 6: Final answer
    x = 304,731.97

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1.5x scale

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.