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Finding the Fourth Proportional to 431,310.87, 595,212.93 and 237,725.58

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Solution

The fourth proportional to 431,310.87, 595,212.93 and 237,725.58 is: 328,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,310.87 : 595,212.93 = 237,725.58 : x
  2. Step 2: Convert to fraction form
    431,310.87/595,212.93 = 237,725.58/x
  3. Step 3: Cross multiply
    431,310.87x = 595,212.93 × 237,725.58
  4. Step 4: Simplify right side
    431,310.87x = 141,497,339,007.75
  5. Step 5: Solve for x
    x = 141,497,339,007.75/431,310.87
  6. Step 6: Final answer
    x = 328,063.47

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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.