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Finding the Fourth Proportional to 431,493.93, 595,390.50 and 250,131.57

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Solution

The fourth proportional to 431,493.93, 595,390.50 and 250,131.57 is: 345,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,493.93 : 595,390.50 = 250,131.57 : x
  2. Step 2: Convert to fraction form
    431,493.93/595,390.50 = 250,131.57/x
  3. Step 3: Cross multiply
    431,493.93x = 595,390.50 × 250,131.57
  4. Step 4: Simplify right side
    431,493.93x = 148,925,960,528.09
  5. Step 5: Solve for x
    x = 148,925,960,528.09/431,493.93
  6. Step 6: Final answer
    x = 345,140.34

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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.