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Finding the Fourth Proportional to 431,427.67, 595,372.17 and 250,246.87

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Solution

The fourth proportional to 431,427.67, 595,372.17 and 250,246.87 is: 345,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,427.67 : 595,372.17 = 250,246.87 : x
  2. Step 2: Convert to fraction form
    431,427.67/595,372.17 = 250,246.87/x
  3. Step 3: Cross multiply
    431,427.67x = 595,372.17 × 250,246.87
  4. Step 4: Simplify right side
    431,427.67x = 148,990,021,477.60
  5. Step 5: Solve for x
    x = 148,990,021,477.60/431,427.67
  6. Step 6: Final answer
    x = 345,341.83

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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.