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Finding the Fourth Proportional to 324,152.40, 485,645.40 and 277,496.40

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Solution

The fourth proportional to 324,152.40, 485,645.40 and 277,496.40 is: 415,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,152.40 : 485,645.40 = 277,496.40 : x
  2. Step 2: Convert to fraction form
    324,152.40/485,645.40 = 277,496.40/x
  3. Step 3: Cross multiply
    324,152.40x = 485,645.40 × 277,496.40
  4. Step 4: Simplify right side
    324,152.40x = 134,764,850,176.56
  5. Step 5: Solve for x
    x = 134,764,850,176.56/324,152.40
  6. Step 6: Final answer
    x = 415,745.34

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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.