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Finding the Fourth Proportional to 324,503.45, 447,523.85 and 270,235.32

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Solution

The fourth proportional to 324,503.45, 447,523.85 and 270,235.32 is: 372,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,503.45 : 447,523.85 = 270,235.32 : x
  2. Step 2: Convert to fraction form
    324,503.45/447,523.85 = 270,235.32/x
  3. Step 3: Cross multiply
    324,503.45x = 447,523.85 × 270,235.32
  4. Step 4: Simplify right side
    324,503.45x = 120,936,749,461.21
  5. Step 5: Solve for x
    x = 120,936,749,461.21/324,503.45
  6. Step 6: Final answer
    x = 372,682.48

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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.