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Finding the Fourth Proportional to 431,416.36, 595,356.57 and 250,235.56

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Solution

The fourth proportional to 431,416.36, 595,356.57 and 250,235.56 is: 345,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,416.36 : 595,356.57 = 250,235.56 : x
  2. Step 2: Convert to fraction form
    431,416.36/595,356.57 = 250,235.56/x
  3. Step 3: Cross multiply
    431,416.36x = 595,356.57 × 250,235.56
  4. Step 4: Simplify right side
    431,416.36x = 148,979,380,465.67
  5. Step 5: Solve for x
    x = 148,979,380,465.67/431,416.36
  6. Step 6: Final answer
    x = 345,326.22

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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.