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Finding the Fourth Proportional to 431,340.96, 595,252.89 and 250,160.31

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Solution

The fourth proportional to 431,340.96, 595,252.89 and 250,160.31 is: 345,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,340.96 : 595,252.89 = 250,160.31 : x
  2. Step 2: Convert to fraction form
    431,340.96/595,252.89 = 250,160.31/x
  3. Step 3: Cross multiply
    431,340.96x = 595,252.89 × 250,160.31
  4. Step 4: Simplify right side
    431,340.96x = 148,908,647,490.80
  5. Step 5: Solve for x
    x = 148,908,647,490.80/431,340.96
  6. Step 6: Final answer
    x = 345,222.60

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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.