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Finding the Fourth Proportional to 397,211.75, 595,854.34 and 112,908.23

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Solution

The fourth proportional to 397,211.75, 595,854.34 and 112,908.23 is: 169,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,211.75 : 595,854.34 = 112,908.23 : x
  2. Step 2: Convert to fraction form
    397,211.75/595,854.34 = 112,908.23/x
  3. Step 3: Cross multiply
    397,211.75x = 595,854.34 × 112,908.23
  4. Step 4: Simplify right side
    397,211.75x = 67,276,858,867.22
  5. Step 5: Solve for x
    x = 67,276,858,867.22/397,211.75
  6. Step 6: Final answer
    x = 169,372.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.