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Finding the Fourth Proportional to 445,536.39, 614,640.98 and 264,255.96

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Solution

The fourth proportional to 445,536.39, 614,640.98 and 264,255.96 is: 364,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,536.39 : 614,640.98 = 264,255.96 : x
  2. Step 2: Convert to fraction form
    445,536.39/614,640.98 = 264,255.96/x
  3. Step 3: Cross multiply
    445,536.39x = 614,640.98 × 264,255.96
  4. Step 4: Simplify right side
    445,536.39x = 162,422,542,885.88
  5. Step 5: Solve for x
    x = 162,422,542,885.88/445,536.39
  6. Step 6: Final answer
    x = 364,555.05

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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.