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Finding the Fourth Proportional to 431,818.82, 595,939.17 and 250,530.83

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Solution

The fourth proportional to 431,818.82, 595,939.17 and 250,530.83 is: 345,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,818.82 : 595,939.17 = 250,530.83 : x
  2. Step 2: Convert to fraction form
    431,818.82/595,939.17 = 250,530.83/x
  3. Step 3: Cross multiply
    431,818.82x = 595,939.17 × 250,530.83
  4. Step 4: Simplify right side
    431,818.82x = 149,301,134,889.61
  5. Step 5: Solve for x
    x = 149,301,134,889.61/431,818.82
  6. Step 6: Final answer
    x = 345,749.49

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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.