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Finding the Fourth Proportional to 431,658.09, 595,531.97 and 250,270.13

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Solution

The fourth proportional to 431,658.09, 595,531.97 and 250,270.13 is: 345,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,658.09 : 595,531.97 = 250,270.13 : x
  2. Step 2: Convert to fraction form
    431,658.09/595,531.97 = 250,270.13/x
  3. Step 3: Cross multiply
    431,658.09x = 595,531.97 × 250,270.13
  4. Step 4: Simplify right side
    431,658.09x = 149,043,863,551.06
  5. Step 5: Solve for x
    x = 149,043,863,551.06/431,658.09
  6. Step 6: Final answer
    x = 345,282.22

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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.