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Finding the Fourth Proportional to 431,473.93, 595,187.12 and 270,048.73

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Solution

The fourth proportional to 431,473.93, 595,187.12 and 270,048.73 is: 372,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,473.93 : 595,187.12 = 270,048.73 : x
  2. Step 2: Convert to fraction form
    431,473.93/595,187.12 = 270,048.73/x
  3. Step 3: Cross multiply
    431,473.93x = 595,187.12 × 270,048.73
  4. Step 4: Simplify right side
    431,473.93x = 160,729,523,939.54
  5. Step 5: Solve for x
    x = 160,729,523,939.54/431,473.93
  6. Step 6: Final answer
    x = 372,512.71

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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.