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Finding the Fourth Proportional to 431,357.87, 595,203.85 and 250,034.38

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Solution

The fourth proportional to 431,357.87, 595,203.85 and 250,034.38 is: 345,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,357.87 : 595,203.85 = 250,034.38 : x
  2. Step 2: Convert to fraction form
    431,357.87/595,203.85 = 250,034.38/x
  3. Step 3: Cross multiply
    431,357.87x = 595,203.85 × 250,034.38
  4. Step 4: Simplify right side
    431,357.87x = 148,821,423,026.45
  5. Step 5: Solve for x
    x = 148,821,423,026.45/431,357.87
  6. Step 6: Final answer
    x = 345,006.86

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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.