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Finding the Fourth Proportional to 538,074.09, 741,745.96 and 344,454.12

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Solution

The fourth proportional to 538,074.09, 741,745.96 and 344,454.12 is: 474,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,074.09 : 741,745.96 = 344,454.12 : x
  2. Step 2: Convert to fraction form
    538,074.09/741,745.96 = 344,454.12/x
  3. Step 3: Cross multiply
    538,074.09x = 741,745.96 × 344,454.12
  4. Step 4: Simplify right side
    538,074.09x = 255,497,451,054.22
  5. Step 5: Solve for x
    x = 255,497,451,054.22/538,074.09
  6. Step 6: Final answer
    x = 474,836.93

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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.