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Finding the Fourth Proportional to 431,825.06, 595,725.94 and 250,432

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Solution

The fourth proportional to 431,825.06, 595,725.94 and 250,432 is: 345,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,825.06 : 595,725.94 = 250,432 : x
  2. Step 2: Convert to fraction form
    431,825.06/595,725.94 = 250,432/x
  3. Step 3: Cross multiply
    431,825.06x = 595,725.94 × 250,432
  4. Step 4: Simplify right side
    431,825.06x = 149,188,838,606.08
  5. Step 5: Solve for x
    x = 149,188,838,606.08/431,825.06
  6. Step 6: Final answer
    x = 345,484.44

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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.