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Finding the Fourth Proportional to 461,313.09, 636,597.63 and 270,453.60

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Solution

The fourth proportional to 461,313.09, 636,597.63 and 270,453.60 is: 373,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,313.09 : 636,597.63 = 270,453.60 : x
  2. Step 2: Convert to fraction form
    461,313.09/636,597.63 = 270,453.60/x
  3. Step 3: Cross multiply
    461,313.09x = 636,597.63 × 270,453.60
  4. Step 4: Simplify right side
    461,313.09x = 172,170,120,784.97
  5. Step 5: Solve for x
    x = 172,170,120,784.97/461,313.09
  6. Step 6: Final answer
    x = 373,217.51

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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.